diff --git a/.github/workflows/validate-renovate-config.yml b/.github/workflows/validate-renovate-config.yml
index bb809ec3e..6ff982b4f 100644
--- a/.github/workflows/validate-renovate-config.yml
+++ b/.github/workflows/validate-renovate-config.yml
@@ -14,7 +14,7 @@ jobs:
     if: "${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: suzuki-shunsuke/github-action-renovate-config-validator@v1.1.1
       with:
         config_file_path: renovate.json
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4c188b245..ffd54c4fa 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -10,7 +10,7 @@ junit="5.14.0"
 ktlint="0.49.1"
 ktfmt="0.58"
 pmd = "7.16.0"
-spotless = "7.2.1"
+spotless = "8.0.0"
 
 [libraries]
 # Shared
@@ -76,13 +76,13 @@ zCheckstyle = { module = "com.puppycrawl.tools:checkstyle", version.ref = "check
 zKtfmt = { module = "com.facebook:ktfmt", version.ref = "ktfmt" }
 
 [plugins]
-aggregateJavadoc = "io.freefair.aggregate-javadoc-jar:8.14.2"
+aggregateJavadoc = "io.freefair.aggregate-javadoc-jar:9.0.0"
 detekt = "io.gitlab.arturbosch.detekt:1.23.8"
-dokka = "org.jetbrains.dokka:1.9.20"
+dokka = "org.jetbrains.dokka:2.0.0"
 gitPublish = "org.ajoberstar.git-publish:5.1.3"
 gitpatcher = { id = "ca.stellardrift.gitpatcher", version = "1.1.2" }
 indra-sonatype = { id = "net.kyori.indra.publishing.sonatype", version.ref = "indra" }
 indra-git = { id = "net.kyori.indra.git", version.ref = "indra" }
-kotlin = "org.jetbrains.kotlin.jvm:1.9.25"
+kotlin = "org.jetbrains.kotlin.jvm:2.2.20"
 nexusPublish = { id = "io.github.gradle-nexus.publish-plugin", version = "2.0.0" }
 spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d4081da47..2e1113280 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME