diff --git a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/CustomCall.hs b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/CustomCall.hs
index 024afeeccc6..9029d4f918c 100644
--- a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/CustomCall.hs
+++ b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/CustomCall.hs
@@ -7,6 +7,9 @@
 
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
+-- PlutusV2 must be compiled using plc 1.0
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
+
 module Cardano.Benchmarking.PlutusScripts.CustomCall (script) where
 
 import           Language.Haskell.TH
diff --git a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/EcdsaSecp256k1Loop.hs b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/EcdsaSecp256k1Loop.hs
index d96d5f82875..cf25ce4ae94 100644
--- a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/EcdsaSecp256k1Loop.hs
+++ b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/EcdsaSecp256k1Loop.hs
@@ -4,6 +4,9 @@
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
 
+-- PlutusV2 must be compiled using plc 1.0
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
+
 module Cardano.Benchmarking.PlutusScripts.EcdsaSecp256k1Loop (script) where
 
 import           Language.Haskell.TH
diff --git a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/Loop.hs b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/Loop.hs
index 013004d0007..903ade09ef0 100644
--- a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/Loop.hs
+++ b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/Loop.hs
@@ -4,6 +4,9 @@
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
 
+-- PlutusV1 must be compiled using plc 1.0
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
+
 module Cardano.Benchmarking.PlutusScripts.Loop (script) where
 
 import           Language.Haskell.TH
@@ -14,7 +17,7 @@ import           Cardano.Api.Shelley (PlutusScript (..), PlutusScriptV1, Script(
 import           Cardano.Benchmarking.ScriptAPI
 import qualified Data.ByteString.Short as SBS
 
-import qualified PlutusLedgerApi.V2 as PlutusV2
+import qualified PlutusLedgerApi.V1 as PlutusV1
 import           PlutusTx
 import           PlutusTx.Builtins (unsafeDataAsI)
 import           PlutusTx.Prelude hiding (Semigroup (..), unless, (.), (<$>))
@@ -39,7 +42,7 @@ mkValidator _datum redeemer _txContext
     loop i = if i == 1000000 then () else loop $ pred i
 
 loopScriptShortBs :: SBS.ShortByteString
-loopScriptShortBs = PlutusV2.serialiseCompiledCode $$(PlutusTx.compile [|| mkValidator ||])
+loopScriptShortBs = PlutusV1.serialiseCompiledCode $$(PlutusTx.compile [|| mkValidator ||])
 
 scriptSerialized :: PlutusScript PlutusScriptV1
 scriptSerialized = PlutusScriptSerialised loopScriptShortBs
diff --git a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/SchnorrSecp256k1Loop.hs b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/SchnorrSecp256k1Loop.hs
index dbce7df920c..83f89698beb 100644
--- a/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/SchnorrSecp256k1Loop.hs
+++ b/bench/plutus-scripts-bench/src/Cardano/Benchmarking/PlutusScripts/SchnorrSecp256k1Loop.hs
@@ -4,6 +4,9 @@
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
 
+-- PlutusV2 must be compiled using plc 1.0
+{-# OPTIONS_GHC -fplugin-opt PlutusTx.Plugin:target-version=1.0.0 #-}
+
 module Cardano.Benchmarking.PlutusScripts.SchnorrSecp256k1Loop (script) where
 
 import           Language.Haskell.TH
diff --git a/bench/tx-generator/data/protocol-parameters-v8.json b/bench/tx-generator/data/protocol-parameters-v8.json
index 916f39da480..c6e563e7fed 100644
--- a/bench/tx-generator/data/protocol-parameters-v8.json
+++ b/bench/tx-generator/data/protocol-parameters-v8.json
@@ -1,351 +1,351 @@
 {
   "collateralPercentage": 150,
   "costModels": {
-    "PlutusScriptV1": {
-      "addInteger-cpu-arguments-intercept": 205665,
-      "addInteger-cpu-arguments-slope": 812,
-      "addInteger-memory-arguments-intercept": 1,
-      "addInteger-memory-arguments-slope": 1,
-      "appendByteString-cpu-arguments-intercept": 1000,
-      "appendByteString-cpu-arguments-slope": 571,
-      "appendByteString-memory-arguments-intercept": 0,
-      "appendByteString-memory-arguments-slope": 1,
-      "appendString-cpu-arguments-intercept": 1000,
-      "appendString-cpu-arguments-slope": 24177,
-      "appendString-memory-arguments-intercept": 4,
-      "appendString-memory-arguments-slope": 1,
-      "bData-cpu-arguments": 1000,
-      "bData-memory-arguments": 32,
-      "blake2b_256-cpu-arguments-intercept": 117366,
-      "blake2b_256-cpu-arguments-slope": 10475,
-      "blake2b_256-memory-arguments": 4,
-      "cekApplyCost-exBudgetCPU": 23000,
-      "cekApplyCost-exBudgetMemory": 100,
-      "cekBuiltinCost-exBudgetCPU": 23000,
-      "cekBuiltinCost-exBudgetMemory": 100,
-      "cekConstCost-exBudgetCPU": 23000,
-      "cekConstCost-exBudgetMemory": 100,
-      "cekDelayCost-exBudgetCPU": 23000,
-      "cekDelayCost-exBudgetMemory": 100,
-      "cekForceCost-exBudgetCPU": 23000,
-      "cekForceCost-exBudgetMemory": 100,
-      "cekLamCost-exBudgetCPU": 23000,
-      "cekLamCost-exBudgetMemory": 100,
-      "cekStartupCost-exBudgetCPU": 100,
-      "cekStartupCost-exBudgetMemory": 100,
-      "cekVarCost-exBudgetCPU": 23000,
-      "cekVarCost-exBudgetMemory": 100,
-      "chooseData-cpu-arguments": 19537,
-      "chooseData-memory-arguments": 32,
-      "chooseList-cpu-arguments": 175354,
-      "chooseList-memory-arguments": 32,
-      "chooseUnit-cpu-arguments": 46417,
-      "chooseUnit-memory-arguments": 4,
-      "consByteString-cpu-arguments-intercept": 221973,
-      "consByteString-cpu-arguments-slope": 511,
-      "consByteString-memory-arguments-intercept": 0,
-      "consByteString-memory-arguments-slope": 1,
-      "constrData-cpu-arguments": 89141,
-      "constrData-memory-arguments": 32,
-      "decodeUtf8-cpu-arguments-intercept": 497525,
-      "decodeUtf8-cpu-arguments-slope": 14068,
-      "decodeUtf8-memory-arguments-intercept": 4,
-      "decodeUtf8-memory-arguments-slope": 2,
-      "divideInteger-cpu-arguments-constant": 196500,
-      "divideInteger-cpu-arguments-model-arguments-intercept": 453240,
-      "divideInteger-cpu-arguments-model-arguments-slope": 220,
-      "divideInteger-memory-arguments-intercept": 0,
-      "divideInteger-memory-arguments-minimum": 1,
-      "divideInteger-memory-arguments-slope": 1,
-      "encodeUtf8-cpu-arguments-intercept": 1000,
-      "encodeUtf8-cpu-arguments-slope": 28662,
-      "encodeUtf8-memory-arguments-intercept": 4,
-      "encodeUtf8-memory-arguments-slope": 2,
-      "equalsByteString-cpu-arguments-constant": 245000,
-      "equalsByteString-cpu-arguments-intercept": 216773,
-      "equalsByteString-cpu-arguments-slope": 62,
-      "equalsByteString-memory-arguments": 1,
-      "equalsData-cpu-arguments-intercept": 1060367,
-      "equalsData-cpu-arguments-slope": 12586,
-      "equalsData-memory-arguments": 1,
-      "equalsInteger-cpu-arguments-intercept": 208512,
-      "equalsInteger-cpu-arguments-slope": 421,
-      "equalsInteger-memory-arguments": 1,
-      "equalsString-cpu-arguments-constant": 187000,
-      "equalsString-cpu-arguments-intercept": 1000,
-      "equalsString-cpu-arguments-slope": 52998,
-      "equalsString-memory-arguments": 1,
-      "fstPair-cpu-arguments": 80436,
-      "fstPair-memory-arguments": 32,
-      "headList-cpu-arguments": 43249,
-      "headList-memory-arguments": 32,
-      "iData-cpu-arguments": 1000,
-      "iData-memory-arguments": 32,
-      "ifThenElse-cpu-arguments": 80556,
-      "ifThenElse-memory-arguments": 1,
-      "indexByteString-cpu-arguments": 57667,
-      "indexByteString-memory-arguments": 4,
-      "lengthOfByteString-cpu-arguments": 1000,
-      "lengthOfByteString-memory-arguments": 10,
-      "lessThanByteString-cpu-arguments-intercept": 197145,
-      "lessThanByteString-cpu-arguments-slope": 156,
-      "lessThanByteString-memory-arguments": 1,
-      "lessThanEqualsByteString-cpu-arguments-intercept": 197145,
-      "lessThanEqualsByteString-cpu-arguments-slope": 156,
-      "lessThanEqualsByteString-memory-arguments": 1,
-      "lessThanEqualsInteger-cpu-arguments-intercept": 204924,
-      "lessThanEqualsInteger-cpu-arguments-slope": 473,
-      "lessThanEqualsInteger-memory-arguments": 1,
-      "lessThanInteger-cpu-arguments-intercept": 208896,
-      "lessThanInteger-cpu-arguments-slope": 511,
-      "lessThanInteger-memory-arguments": 1,
-      "listData-cpu-arguments": 52467,
-      "listData-memory-arguments": 32,
-      "mapData-cpu-arguments": 64832,
-      "mapData-memory-arguments": 32,
-      "mkCons-cpu-arguments": 65493,
-      "mkCons-memory-arguments": 32,
-      "mkNilData-cpu-arguments": 22558,
-      "mkNilData-memory-arguments": 32,
-      "mkNilPairData-cpu-arguments": 16563,
-      "mkNilPairData-memory-arguments": 32,
-      "mkPairData-cpu-arguments": 76511,
-      "mkPairData-memory-arguments": 32,
-      "modInteger-cpu-arguments-constant": 196500,
-      "modInteger-cpu-arguments-model-arguments-intercept": 453240,
-      "modInteger-cpu-arguments-model-arguments-slope": 220,
-      "modInteger-memory-arguments-intercept": 0,
-      "modInteger-memory-arguments-minimum": 1,
-      "modInteger-memory-arguments-slope": 1,
-      "multiplyInteger-cpu-arguments-intercept": 69522,
-      "multiplyInteger-cpu-arguments-slope": 11687,
-      "multiplyInteger-memory-arguments-intercept": 0,
-      "multiplyInteger-memory-arguments-slope": 1,
-      "nullList-cpu-arguments": 60091,
-      "nullList-memory-arguments": 32,
-      "quotientInteger-cpu-arguments-constant": 196500,
-      "quotientInteger-cpu-arguments-model-arguments-intercept": 453240,
-      "quotientInteger-cpu-arguments-model-arguments-slope": 220,
-      "quotientInteger-memory-arguments-intercept": 0,
-      "quotientInteger-memory-arguments-minimum": 1,
-      "quotientInteger-memory-arguments-slope": 1,
-      "remainderInteger-cpu-arguments-constant": 196500,
-      "remainderInteger-cpu-arguments-model-arguments-intercept": 453240,
-      "remainderInteger-cpu-arguments-model-arguments-slope": 220,
-      "remainderInteger-memory-arguments-intercept": 0,
-      "remainderInteger-memory-arguments-minimum": 1,
-      "remainderInteger-memory-arguments-slope": 1,
-      "sha2_256-cpu-arguments-intercept": 806990,
-      "sha2_256-cpu-arguments-slope": 30482,
-      "sha2_256-memory-arguments": 4,
-      "sha3_256-cpu-arguments-intercept": 1927926,
-      "sha3_256-cpu-arguments-slope": 82523,
-      "sha3_256-memory-arguments": 4,
-      "sliceByteString-cpu-arguments-intercept": 265318,
-      "sliceByteString-cpu-arguments-slope": 0,
-      "sliceByteString-memory-arguments-intercept": 4,
-      "sliceByteString-memory-arguments-slope": 0,
-      "sndPair-cpu-arguments": 85931,
-      "sndPair-memory-arguments": 32,
-      "subtractInteger-cpu-arguments-intercept": 205665,
-      "subtractInteger-cpu-arguments-slope": 812,
-      "subtractInteger-memory-arguments-intercept": 1,
-      "subtractInteger-memory-arguments-slope": 1,
-      "tailList-cpu-arguments": 41182,
-      "tailList-memory-arguments": 32,
-      "trace-cpu-arguments": 212342,
-      "trace-memory-arguments": 32,
-      "unBData-cpu-arguments": 31220,
-      "unBData-memory-arguments": 32,
-      "unConstrData-cpu-arguments": 32696,
-      "unConstrData-memory-arguments": 32,
-      "unIData-cpu-arguments": 43357,
-      "unIData-memory-arguments": 32,
-      "unListData-cpu-arguments": 32247,
-      "unListData-memory-arguments": 32,
-      "unMapData-cpu-arguments": 38314,
-      "unMapData-memory-arguments": 32,
-      "verifyEd25519Signature-cpu-arguments-intercept": 9462713,
-      "verifyEd25519Signature-cpu-arguments-slope": 1021,
-      "verifyEd25519Signature-memory-arguments": 10
-    },
-    "PlutusScriptV2": {
-      "addInteger-cpu-arguments-intercept": 205665,
-      "addInteger-cpu-arguments-slope": 812,
-      "addInteger-memory-arguments-intercept": 1,
-      "addInteger-memory-arguments-slope": 1,
-      "appendByteString-cpu-arguments-intercept": 1000,
-      "appendByteString-cpu-arguments-slope": 571,
-      "appendByteString-memory-arguments-intercept": 0,
-      "appendByteString-memory-arguments-slope": 1,
-      "appendString-cpu-arguments-intercept": 1000,
-      "appendString-cpu-arguments-slope": 24177,
-      "appendString-memory-arguments-intercept": 4,
-      "appendString-memory-arguments-slope": 1,
-      "bData-cpu-arguments": 1000,
-      "bData-memory-arguments": 32,
-      "blake2b_256-cpu-arguments-intercept": 117366,
-      "blake2b_256-cpu-arguments-slope": 10475,
-      "blake2b_256-memory-arguments": 4,
-      "cekApplyCost-exBudgetCPU": 23000,
-      "cekApplyCost-exBudgetMemory": 100,
-      "cekBuiltinCost-exBudgetCPU": 23000,
-      "cekBuiltinCost-exBudgetMemory": 100,
-      "cekConstCost-exBudgetCPU": 23000,
-      "cekConstCost-exBudgetMemory": 100,
-      "cekDelayCost-exBudgetCPU": 23000,
-      "cekDelayCost-exBudgetMemory": 100,
-      "cekForceCost-exBudgetCPU": 23000,
-      "cekForceCost-exBudgetMemory": 100,
-      "cekLamCost-exBudgetCPU": 23000,
-      "cekLamCost-exBudgetMemory": 100,
-      "cekStartupCost-exBudgetCPU": 100,
-      "cekStartupCost-exBudgetMemory": 100,
-      "cekVarCost-exBudgetCPU": 23000,
-      "cekVarCost-exBudgetMemory": 100,
-      "chooseData-cpu-arguments": 19537,
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-      "divideInteger-cpu-arguments-constant": 196500,
-      "divideInteger-cpu-arguments-model-arguments-intercept": 453240,
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-      "divideInteger-memory-arguments-intercept": 0,
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-      "encodeUtf8-memory-arguments-slope": 2,
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-      "lessThanEqualsInteger-cpu-arguments-intercept": 204924,
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-      "lessThanInteger-cpu-arguments-intercept": 208896,
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-      "lessThanInteger-memory-arguments": 1,
-      "listData-cpu-arguments": 52467,
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-      "mapData-cpu-arguments": 64832,
-      "mapData-memory-arguments": 32,
-      "mkCons-cpu-arguments": 65493,
-      "mkCons-memory-arguments": 32,
-      "mkNilData-cpu-arguments": 22558,
-      "mkNilData-memory-arguments": 32,
-      "mkNilPairData-cpu-arguments": 16563,
-      "mkNilPairData-memory-arguments": 32,
-      "mkPairData-cpu-arguments": 76511,
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-      "modInteger-cpu-arguments-model-arguments-slope": 220,
-      "modInteger-memory-arguments-intercept": 0,
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-      "modInteger-memory-arguments-slope": 1,
-      "multiplyInteger-cpu-arguments-intercept": 69522,
-      "multiplyInteger-cpu-arguments-slope": 11687,
-      "multiplyInteger-memory-arguments-intercept": 0,
-      "multiplyInteger-memory-arguments-slope": 1,
-      "nullList-cpu-arguments": 60091,
-      "nullList-memory-arguments": 32,
-      "quotientInteger-cpu-arguments-constant": 196500,
-      "quotientInteger-cpu-arguments-model-arguments-intercept": 453240,
-      "quotientInteger-cpu-arguments-model-arguments-slope": 220,
-      "quotientInteger-memory-arguments-intercept": 0,
-      "quotientInteger-memory-arguments-minimum": 1,
-      "quotientInteger-memory-arguments-slope": 1,
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-      "remainderInteger-cpu-arguments-model-arguments-slope": 220,
-      "remainderInteger-memory-arguments-intercept": 0,
-      "remainderInteger-memory-arguments-minimum": 1,
-      "remainderInteger-memory-arguments-slope": 1,
-      "serialiseData-cpu-arguments-intercept": 1159724,
-      "serialiseData-cpu-arguments-slope": 392670,
-      "serialiseData-memory-arguments-intercept": 0,
-      "serialiseData-memory-arguments-slope": 2,
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-      "sha2_256-memory-arguments": 4,
-      "sha3_256-cpu-arguments-intercept": 1927926,
-      "sha3_256-cpu-arguments-slope": 82523,
-      "sha3_256-memory-arguments": 4,
-      "sliceByteString-cpu-arguments-intercept": 265318,
-      "sliceByteString-cpu-arguments-slope": 0,
-      "sliceByteString-memory-arguments-intercept": 4,
-      "sliceByteString-memory-arguments-slope": 0,
-      "sndPair-cpu-arguments": 85931,
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-      "subtractInteger-cpu-arguments-intercept": 205665,
-      "subtractInteger-cpu-arguments-slope": 812,
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-      "tailList-cpu-arguments": 41182,
-      "tailList-memory-arguments": 32,
-      "trace-cpu-arguments": 212342,
-      "trace-memory-arguments": 32,
-      "unBData-cpu-arguments": 31220,
-      "unBData-memory-arguments": 32,
-      "unConstrData-cpu-arguments": 32696,
-      "unConstrData-memory-arguments": 32,
-      "unIData-cpu-arguments": 43357,
-      "unIData-memory-arguments": 32,
-      "unListData-cpu-arguments": 32247,
-      "unListData-memory-arguments": 32,
-      "unMapData-cpu-arguments": 38314,
-      "unMapData-memory-arguments": 32,
-      "verifyEcdsaSecp256k1Signature-cpu-arguments": 35892428,
-      "verifyEcdsaSecp256k1Signature-memory-arguments": 10,
-      "verifyEd25519Signature-cpu-arguments-intercept": 9462713,
-      "verifyEd25519Signature-cpu-arguments-slope": 1021,
-      "verifyEd25519Signature-memory-arguments": 10,
-      "verifySchnorrSecp256k1Signature-cpu-arguments-intercept": 38887044,
-      "verifySchnorrSecp256k1Signature-cpu-arguments-slope": 32947,
-      "verifySchnorrSecp256k1Signature-memory-arguments": 10
-    }
+    "PlutusV1": [
+      205665,
+      812,
+      1,
+      1,
+      1000,
+      571,
+      0,
+      1,
+      1000,
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+      43249,
+      32,
+      1000,
+      32,
+      80556,
+      1,
+      57667,
+      4,
+      1000,
+      10,
+      197145,
+      156,
+      1,
+      197145,
+      156,
+      1,
+      204924,
+      473,
+      1,
+      208896,
+      511,
+      1,
+      52467,
+      32,
+      64832,
+      32,
+      65493,
+      32,
+      22558,
+      32,
+      16563,
+      32,
+      76511,
+      32,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      69522,
+      11687,
+      0,
+      1,
+      60091,
+      32,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      806990,
+      30482,
+      4,
+      1927926,
+      82523,
+      4,
+      265318,
+      0,
+      4,
+      0,
+      85931,
+      32,
+      205665,
+      812,
+      1,
+      1,
+      41182,
+      32,
+      212342,
+      32,
+      31220,
+      32,
+      32696,
+      32,
+      43357,
+      32,
+      32247,
+      32,
+      38314,
+      32,
+      3345831,
+      1,
+      1
+    ],
+    "PlutusV2": [
+      205665,
+      812,
+      1,
+      1,
+      1000,
+      571,
+      0,
+      1,
+      1000,
+      24177,
+      4,
+      1,
+      1000,
+      32,
+      117366,
+      10475,
+      4,
+      23000,
+      100,
+      23000,
+      100,
+      23000,
+      100,
+      23000,
+      100,
+      23000,
+      100,
+      23000,
+      100,
+      100,
+      100,
+      23000,
+      100,
+      19537,
+      32,
+      175354,
+      32,
+      46417,
+      4,
+      221973,
+      511,
+      0,
+      1,
+      89141,
+      32,
+      497525,
+      14068,
+      4,
+      2,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      1000,
+      28662,
+      4,
+      2,
+      245000,
+      216773,
+      62,
+      1,
+      1060367,
+      12586,
+      1,
+      208512,
+      421,
+      1,
+      187000,
+      1000,
+      52998,
+      1,
+      80436,
+      32,
+      43249,
+      32,
+      1000,
+      32,
+      80556,
+      1,
+      57667,
+      4,
+      1000,
+      10,
+      197145,
+      156,
+      1,
+      197145,
+      156,
+      1,
+      204924,
+      473,
+      1,
+      208896,
+      511,
+      1,
+      52467,
+      32,
+      64832,
+      32,
+      65493,
+      32,
+      22558,
+      32,
+      16563,
+      32,
+      76511,
+      32,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      69522,
+      11687,
+      0,
+      1,
+      60091,
+      32,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      196500,
+      453240,
+      220,
+      0,
+      1,
+      1,
+      1159724,
+      392670,
+      0,
+      2,
+      806990,
+      30482,
+      4,
+      1927926,
+      82523,
+      4,
+      265318,
+      0,
+      4,
+      0,
+      85931,
+      32,
+      205665,
+      812,
+      1,
+      1,
+      41182,
+      32,
+      212342,
+      32,
+      31220,
+      32,
+      32696,
+      32,
+      43357,
+      32,
+      32247,
+      32,
+      38314,
+      32,
+      35892428,
+      10,
+      9462713,
+      1021,
+      10,
+      38887044,
+      32947,
+      10
+    ]
   },
   "decentralization": null,
   "executionUnitPrices": {
@@ -353,17 +353,17 @@
     "priceSteps": 7.21e-05
   },
   "extraPraosEntropy": null,
-    "maxBlockBodySize": 90112,
-    "maxBlockExecutionUnits": {
-        "memory": 62000000,
-        "steps": 40000000000
-    },
-    "maxBlockHeaderSize": 1100,
-    "maxCollateralInputs": 3,
-    "maxTxExecutionUnits": {
-        "memory": 14000000,
-        "steps": 10000000000
-    },
+  "maxBlockBodySize": 90112,
+  "maxBlockExecutionUnits": {
+    "memory": 62000000,
+    "steps": 40000000000
+  },
+  "maxBlockHeaderSize": 1100,
+  "maxCollateralInputs": 3,
+  "maxTxExecutionUnits": {
+    "memory": 14000000,
+    "steps": 10000000000
+  },
   "maxTxSize": 16384,
   "maxValueSize": 5000,
   "minPoolCost": 340000000,
@@ -377,10 +377,10 @@
   },
   "stakeAddressDeposit": 2000000,
   "stakePoolDeposit": 500000000,
-  "stakePoolTargetNum": 150,
+  "stakePoolTargetNum": 500,
   "treasuryCut": 0.2,
   "txFeeFixed": 155381,
   "txFeePerByte": 44,
-  "utxoCostPerByte": 4310,
+  "utxoCostPerByte": 538,
   "utxoCostPerWord": null
 }
diff --git a/bench/tx-generator/data/protocol-parameters.json b/bench/tx-generator/data/protocol-parameters.json
index 8d433c12685..e4e63ab3d20 100644
--- a/bench/tx-generator/data/protocol-parameters.json
+++ b/bench/tx-generator/data/protocol-parameters.json
@@ -1,208 +1,209 @@
 {
-    "txFeePerByte": 44,
-    "minUTxOValue": null,
-    "decentralization": 0,
-    "utxoCostPerWord": 34482,
-    "stakePoolDeposit": 500000000,
-    "poolRetireMaxEpoch": 18,
-    "extraPraosEntropy": null,
-    "collateralPercentage": 150,
-    "stakePoolTargetNum": 500,
-    "maxBlockBodySize": 65536,
-    "minPoolCost": 340000000,
-    "maxTxSize": 16384,
-    "treasuryCut": 0.2,
-    "maxBlockExecutionUnits": {
-        "memory": 50000000,
-        "steps": 40000000000
-    },
-    "maxCollateralInputs": 3,
-    "maxValueSize": 5000,
-    "maxBlockHeaderSize": 1100,
-    "maxTxExecutionUnits": {
-        "memory": 10000000,
-        "steps": 10000000000
-    },
-    "costModels": {
-        "PlutusScriptV1": {
-            "cekConstCost-exBudgetMemory": 100,
-            "unBData-cpu-arguments": 150000,
-            "divideInteger-memory-arguments-minimum": 1,
-            "nullList-cpu-arguments": 150000,
-            "cekDelayCost-exBudgetMemory": 100,
-            "appendByteString-cpu-arguments-slope": 621,
-            "sha2_256-memory-arguments": 4,
-            "multiplyInteger-cpu-arguments-intercept": 61516,
-            "iData-cpu-arguments": 150000,
-            "equalsString-cpu-arguments-intercept": 150000,
-            "trace-cpu-arguments": 150000,
-            "lessThanEqualsByteString-cpu-arguments-intercept": 103599,
-            "encodeUtf8-cpu-arguments-slope": 1000,
-            "equalsString-cpu-arguments-constant": 1000,
-            "blake2b_256-cpu-arguments-slope": 29175,
-            "consByteString-memory-arguments-intercept": 0,
-            "headList-cpu-arguments": 150000,
-            "listData-cpu-arguments": 150000,
-            "divideInteger-cpu-arguments-model-arguments-slope": 118,
-            "divideInteger-memory-arguments-slope": 1,
-            "bData-cpu-arguments": 150000,
-            "chooseData-memory-arguments": 32,
-            "cekBuiltinCost-exBudgetCPU": 29773,
-            "mkNilData-memory-arguments": 32,
-            "equalsInteger-cpu-arguments-intercept": 136542,
-            "lengthOfByteString-cpu-arguments": 150000,
-            "subtractInteger-cpu-arguments-slope": 0,
-            "unIData-cpu-arguments": 150000,
-            "sliceByteString-cpu-arguments-slope": 5000,
-            "unMapData-cpu-arguments": 150000,
-            "modInteger-cpu-arguments-model-arguments-slope": 118,
-            "lessThanInteger-cpu-arguments-intercept": 179690,
-            "appendString-memory-arguments-intercept": 0,
-            "mkCons-cpu-arguments": 150000,
-            "sha3_256-cpu-arguments-slope": 82363,
-            "ifThenElse-cpu-arguments": 1,
-            "mkNilPairData-cpu-arguments": 150000,
-            "constrData-memory-arguments": 32,
-            "lessThanEqualsInteger-cpu-arguments-intercept": 145276,
-            "addInteger-memory-arguments-slope": 1,
-            "chooseList-memory-arguments": 32,
-            "equalsData-memory-arguments": 1,
-            "decodeUtf8-cpu-arguments-intercept": 150000,
-            "bData-memory-arguments": 32,
-            "lessThanByteString-cpu-arguments-slope": 248,
-            "listData-memory-arguments": 32,
-            "consByteString-cpu-arguments-intercept": 150000,
-            "headList-memory-arguments": 32,
-            "subtractInteger-memory-arguments-slope": 1,
-            "appendByteString-memory-arguments-intercept": 0,
-            "unIData-memory-arguments": 32,
-            "remainderInteger-memory-arguments-minimum": 1,
-            "lengthOfByteString-memory-arguments": 4,
-            "encodeUtf8-memory-arguments-intercept": 0,
-            "cekStartupCost-exBudgetCPU": 100,
-            "remainderInteger-memory-arguments-slope": 1,
-            "multiplyInteger-memory-arguments-intercept": 0,
-            "cekForceCost-exBudgetCPU": 29773,
-            "unListData-memory-arguments": 32,
-            "sha2_256-cpu-arguments-slope": 29175,
-            "indexByteString-memory-arguments": 1,
-            "equalsInteger-memory-arguments": 1,
-            "remainderInteger-cpu-arguments-model-arguments-slope": 118,
-            "cekVarCost-exBudgetCPU": 29773,
-            "lessThanEqualsInteger-cpu-arguments-slope": 1366,
-            "addInteger-memory-arguments-intercept": 1,
-            "sndPair-cpu-arguments": 150000,
-            "lessThanInteger-memory-arguments": 1,
-            "cekLamCost-exBudgetCPU": 29773,
-            "chooseUnit-cpu-arguments": 150000,
-            "decodeUtf8-cpu-arguments-slope": 1000,
-            "fstPair-cpu-arguments": 150000,
-            "quotientInteger-memory-arguments-minimum": 1,
-            "lessThanEqualsInteger-memory-arguments": 1,
-            "chooseUnit-memory-arguments": 32,
-            "fstPair-memory-arguments": 32,
-            "quotientInteger-cpu-arguments-constant": 148000,
-            "mapData-cpu-arguments": 150000,
-            "unConstrData-cpu-arguments": 150000,
-            "mkPairData-cpu-arguments": 150000,
-            "sndPair-memory-arguments": 32,
-            "decodeUtf8-memory-arguments-slope": 8,
-            "equalsData-cpu-arguments-intercept": 150000,
-            "addInteger-cpu-arguments-intercept": 197209,
-            "modInteger-memory-arguments-intercept": 0,
-            "cekStartupCost-exBudgetMemory": 100,
-            "divideInteger-cpu-arguments-model-arguments-intercept": 425507,
-            "divideInteger-memory-arguments-intercept": 0,
-            "cekVarCost-exBudgetMemory": 100,
-            "consByteString-memory-arguments-slope": 1,
-            "cekForceCost-exBudgetMemory": 100,
-            "unListData-cpu-arguments": 150000,
-            "subtractInteger-cpu-arguments-intercept": 197209,
-            "indexByteString-cpu-arguments": 150000,
-            "equalsInteger-cpu-arguments-slope": 1326,
-            "lessThanByteString-memory-arguments": 1,
-            "blake2b_256-cpu-arguments-intercept": 2477736,
-            "encodeUtf8-cpu-arguments-intercept": 150000,
-            "multiplyInteger-cpu-arguments-slope": 11218,
-            "tailList-cpu-arguments": 150000,
-            "appendByteString-cpu-arguments-intercept": 396231,
-            "equalsString-cpu-arguments-slope": 1000,
-            "lessThanEqualsByteString-cpu-arguments-slope": 248,
-            "remainderInteger-cpu-arguments-constant": 148000,
-            "chooseList-cpu-arguments": 150000,
-            "equalsByteString-memory-arguments": 1,
-            "constrData-cpu-arguments": 150000,
-            "cekApplyCost-exBudgetCPU": 29773,
-            "equalsData-cpu-arguments-slope": 10000,
-            "decodeUtf8-memory-arguments-intercept": 0,
-            "modInteger-memory-arguments-slope": 1,
-            "addInteger-cpu-arguments-slope": 0,
-            "appendString-cpu-arguments-intercept": 150000,
-            "quotientInteger-cpu-arguments-model-arguments-slope": 118,
-            "unMapData-memory-arguments": 32,
-            "cekApplyCost-exBudgetMemory": 100,
-            "quotientInteger-memory-arguments-slope": 1,
-            "mkNilPairData-memory-arguments": 32,
-            "ifThenElse-memory-arguments": 1,
-            "equalsByteString-cpu-arguments-slope": 247,
-            "sliceByteString-memory-arguments-slope": 1,
-            "sha3_256-memory-arguments": 4,
-            "mkCons-memory-arguments": 32,
-            "verifyEd25519Signature-cpu-arguments-intercept": 3345831,
-            "cekBuiltinCost-exBudgetMemory": 100,
-            "remainderInteger-memory-arguments-intercept": 0,
-            "lessThanEqualsByteString-memory-arguments": 1,
-            "mkNilData-cpu-arguments": 150000,
-            "equalsString-memory-arguments": 1,
-            "chooseData-cpu-arguments": 150000,
-            "remainderInteger-cpu-arguments-model-arguments-intercept": 425507,
-            "tailList-memory-arguments": 32,
-            "sha2_256-cpu-arguments-intercept": 2477736,
-            "multiplyInteger-memory-arguments-slope": 1,
-            "iData-memory-arguments": 32,
-            "divideInteger-cpu-arguments-constant": 148000,
-            "cekDelayCost-exBudgetCPU": 29773,
-            "encodeUtf8-memory-arguments-slope": 8,
-            "subtractInteger-memory-arguments-intercept": 1,
-            "nullList-memory-arguments": 32,
-            "lessThanByteString-cpu-arguments-intercept": 103599,
-            "appendByteString-memory-arguments-slope": 1,
-            "blake2b_256-memory-arguments": 4,
-            "unBData-memory-arguments": 32,
-            "cekConstCost-exBudgetCPU": 29773,
-            "consByteString-cpu-arguments-slope": 1000,
-            "trace-memory-arguments": 32,
-            "quotientInteger-memory-arguments-intercept": 0,
-            "mapData-memory-arguments": 32,
-            "verifyEd25519Signature-cpu-arguments-slope": 1,
-            "quotientInteger-cpu-arguments-model-arguments-intercept": 425507,
-            "modInteger-cpu-arguments-constant": 148000,
-            "appendString-cpu-arguments-slope": 1000,
-            "unConstrData-memory-arguments": 32,
-            "mkPairData-memory-arguments": 32,
-            "equalsByteString-cpu-arguments-constant": 150000,
-            "equalsByteString-cpu-arguments-intercept": 112536,
-            "sliceByteString-memory-arguments-intercept": 0,
-            "lessThanInteger-cpu-arguments-slope": 497,
-            "verifyEd25519Signature-memory-arguments": 1,
-            "cekLamCost-exBudgetMemory": 100,
-            "sliceByteString-cpu-arguments-intercept": 150000,
-            "modInteger-cpu-arguments-model-arguments-intercept": 425507,
-            "modInteger-memory-arguments-minimum": 1,
-            "appendString-memory-arguments-slope": 1,
-            "sha3_256-cpu-arguments-intercept": 0
-        }
-    },
-    "protocolVersion": {
-        "minor": 0,
-        "major": 5
-    },
-    "txFeeFixed": 155381,
-    "stakeAddressDeposit": 2000000,
-    "monetaryExpansion": 3.0e-3,
-    "poolPledgeInfluence": 0.3,
-    "executionUnitPrices": {
-        "priceSteps": 7.21e-5,
-        "priceMemory": 5.77e-2
-    }
+  "collateralPercentage": 150,
+  "costModels": {
+    "PlutusV1": [
+      197209,
+      0,
+      1,
+      1,
+      396231,
+      621,
+      0,
+      1,
+      150000,
+      1000,
+      0,
+      1,
+      150000,
+      32,
+      2477736,
+      29175,
+      4,
+      29773,
+      100,
+      29773,
+      100,
+      29773,
+      100,
+      29773,
+      100,
+      29773,
+      100,
+      29773,
+      100,
+      100,
+      100,
+      29773,
+      100,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      1000,
+      0,
+      1,
+      150000,
+      32,
+      150000,
+      1000,
+      0,
+      8,
+      148000,
+      425507,
+      118,
+      0,
+      1,
+      1,
+      150000,
+      1000,
+      0,
+      8,
+      150000,
+      112536,
+      247,
+      1,
+      150000,
+      10000,
+      1,
+      136542,
+      1326,
+      1,
+      1000,
+      150000,
+      1000,
+      1,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      1,
+      1,
+      150000,
+      1,
+      150000,
+      4,
+      103599,
+      248,
+      1,
+      103599,
+      248,
+      1,
+      145276,
+      1366,
+      1,
+      179690,
+      497,
+      1,
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+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      148000,
+      425507,
+      118,
+      0,
+      1,
+      1,
+      61516,
+      11218,
+      0,
+      1,
+      150000,
+      32,
+      148000,
+      425507,
+      118,
+      0,
+      1,
+      1,
+      148000,
+      425507,
+      118,
+      0,
+      1,
+      1,
+      2477736,
+      29175,
+      4,
+      0,
+      82363,
+      4,
+      150000,
+      5000,
+      0,
+      1,
+      150000,
+      32,
+      197209,
+      0,
+      1,
+      1,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      150000,
+      32,
+      3345831,
+      1,
+      1
+    ]
+  },
+  "decentralization": null,
+  "executionUnitPrices": {
+    "priceMemory": 0.0577,
+    "priceSteps": 7.21e-05
+  },
+  "extraPraosEntropy": null,
+  "maxBlockBodySize": 65536,
+  "maxBlockExecutionUnits": {
+    "memory": 50000000,
+    "steps": 40000000000
+  },
+  "maxBlockHeaderSize": 1100,
+  "maxCollateralInputs": 3,
+  "maxTxExecutionUnits": {
+    "memory": 10000000,
+    "steps": 10000000000
+  },
+  "maxTxSize": 16384,
+  "maxValueSize": 5000,
+  "minPoolCost": 340000000,
+  "minUTxOValue": null,
+  "monetaryExpansion": 0.003,
+  "poolPledgeInfluence": 0.3,
+  "poolRetireMaxEpoch": 18,
+  "protocolVersion": {
+    "major": 6,
+    "minor": 0
+  },
+  "stakeAddressDeposit": 2000000,
+  "stakePoolDeposit": 500000000,
+  "stakePoolTargetNum": 500,
+  "treasuryCut": 0.2,
+  "txFeeFixed": 155381,
+  "txFeePerByte": 44,
+  "utxoCostPerByte": 4310,
+  "utxoCostPerWord": null
 }
diff --git a/bench/tx-generator/tx-generator.cabal b/bench/tx-generator/tx-generator.cabal
index 6d9980c4541..beeb92d2700 100644
--- a/bench/tx-generator/tx-generator.cabal
+++ b/bench/tx-generator/tx-generator.cabal
@@ -26,7 +26,7 @@ common project-config
     buildable: False
 
 common with-library
-  if impl(ghc >= 9)
+  if impl(ghc >= 10)
     build-depends:      plutus-scripts-bench
     cpp-options:        -DWITH_LIBRARY
 
diff --git a/cardano-node/cardano-node.cabal b/cardano-node/cardano-node.cabal
index f522be8d55f..71c5823d92f 100644
--- a/cardano-node/cardano-node.cabal
+++ b/cardano-node/cardano-node.cabal
@@ -183,7 +183,7 @@ library
                       , ouroboros-network-api
                       , ouroboros-network ^>= 0.9.1
                       , ouroboros-network-framework
-                      , ouroboros-network-protocols
+                      , ouroboros-network-protocols < 0.5.3
                       , prettyprinter
                       , prettyprinter-ansi-terminal
                       , psqueues
diff --git a/cardano-submit-api/cardano-submit-api.cabal b/cardano-submit-api/cardano-submit-api.cabal
index 071f9de240a..d52a153e701 100644
--- a/cardano-submit-api/cardano-submit-api.cabal
+++ b/cardano-submit-api/cardano-submit-api.cabal
@@ -52,7 +52,7 @@ library
                       , optparse-applicative-fork
                       , ouroboros-consensus-cardano
                       , ouroboros-network ^>= 0.9.1
-                      , ouroboros-network-protocols
+                      , ouroboros-network-protocols < 0.5.3
                       , prometheus >= 2.2.4
                       , servant
                       , servant-server
diff --git a/nix/haskell.nix b/nix/haskell.nix
index 51a955820a3..3a74be05025 100644
--- a/nix/haskell.nix
+++ b/nix/haskell.nix
@@ -20,9 +20,9 @@ let
     {
       src = ../.;
       name = "cardano-node";
-      compiler-nix-name = lib.mkDefault "ghc8107";
+      compiler-nix-name = lib.mkDefault "ghc963";
       # extra-compilers
-      flake.variants = lib.genAttrs ["ghc928" "ghc963"] (x: {compiler-nix-name = x;});
+      flake.variants = lib.genAttrs ["ghc8107" "ghc928"] (x: {compiler-nix-name = x;});
       cabalProjectLocal = ''
         repository cardano-haskell-packages-local
           url: file:${CHaP}