diff --git a/package.json b/package.json
index 878fa10..6d20c8c 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "ember-resolver": "^8.0.2",
     "ember-source": "~3.21.3",
     "ember-source-channel-url": "^3.0.0",
-    "ember-template-lint": "^2.21.0",
+    "ember-template-lint": "^3.4.2",
     "ember-try": "^1.4.0",
     "eslint": "^7.28.0",
     "eslint-plugin-ember": "^9.6.0",
diff --git a/yarn.lock b/yarn.lock
index 0bccf93..f0c50ac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1209,6 +1209,16 @@
   dependencies:
     ember-cli-babel "^7.1.3"
 
+"@ember-template-lint/todo-utils@^8.1.0":
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/@ember-template-lint/todo-utils/-/todo-utils-8.1.0.tgz#0fe8ef9ebd1948dea34d27d89a2e245687bb57d9"
+  integrity sha512-fnxDli4RfYGVBXc64D0fg7ifkSrNE8J/ee4eqQLzTrsUJbisWMlmU2NTHm990XcZkulYkCnkiLKERU/k1tx5IQ==
+  dependencies:
+    "@types/eslint" "^7.2.10"
+    fs-extra "^9.1.0"
+    slash "^3.0.0"
+    tslib "^2.1.0"
+
 "@ember/edition-utils@^1.2.0":
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/@ember/edition-utils/-/edition-utils-1.2.0.tgz#a039f542dc14c8e8299c81cd5abba95e2459cfa6"
@@ -1804,6 +1814,19 @@
   dependencies:
     "@types/node" "*"
 
+"@types/eslint@^7.2.10":
+  version "7.2.13"
+  resolved "https://registry.yarnpkg.com/@types/eslint/-/eslint-7.2.13.tgz#e0ca7219ba5ded402062ad6f926d491ebb29dd53"
+  integrity sha512-LKmQCWAlnVHvvXq4oasNUMTJJb2GwSyTY8+1C7OH5ILR8mPLaljv1jxL1bXW3xB3jFbQxTKxJAvI8PyjB09aBg==
+  dependencies:
+    "@types/estree" "*"
+    "@types/json-schema" "*"
+
+"@types/estree@*":
+  version "0.0.48"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.48.tgz#18dc8091b285df90db2f25aa7d906cfc394b7f74"
+  integrity sha512-LfZwXoGUDo0C3me81HXgkBg5CTQYb6xzEl+fNmbO4JdRiSKQ8A0GD1OBBvKAIsbCUgoyAty7m99GqqMQe784ew==
+
 "@types/express-serve-static-core@*":
   version "4.17.13"
   resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.13.tgz#d9af025e925fc8b089be37423b8d1eac781be084"
@@ -1850,6 +1873,11 @@
   resolved "https://registry.yarnpkg.com/@types/http-cache-semantics/-/http-cache-semantics-4.0.0.tgz#9140779736aa2655635ee756e2467d787cfe8a2a"
   integrity sha512-c3Xy026kOF7QOTn00hbIllV1dLR9hG9NkSrLQgCVs8NF6sBU+VGWjD3wLPhmh1TYAc7ugCFsvHYMN4VcBN1U1A==
 
+"@types/json-schema@*":
+  version "7.0.7"
+  resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.7.tgz#98a993516c859eb0d5c4c8f098317a9ea68db9ad"
+  integrity sha512-cxWFQVseBm6O9Gbw1IWb8r6OS4OhSt3hPZLkFApLjM8TEXROBuQGLAH2i2gZpcXdLBIrpXuTDhH7Vbm1iXmNGA==
+
 "@types/json-schema@^7.0.5":
   version "7.0.6"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.6.tgz#f4c7ec43e81b319a9815115031709f26987891f0"
@@ -5096,6 +5124,11 @@ data-urls@^2.0.0:
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
 
+date-fns@^2.21.3:
+  version "2.22.1"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.22.1.tgz#1e5af959831ebb1d82992bf67b765052d8f0efc4"
+  integrity sha512-yUFPQjrxEmIsMqlHhAhmxkuH769baF21Kk+nZwZGyrMoyLA+LugaQtC0+Tqf9CBUUULWwUJt6Q5ySI3LJDDCGg==
+
 debug@2.6.9, debug@^2.1.0, debug@^2.1.1, debug@^2.1.3, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
@@ -6217,21 +6250,23 @@ ember-style-modifier@^0.6.0:
     ember-cli-babel "^7.21.0"
     ember-modifier "^2.1.0"
 
-ember-template-lint@^2.21.0:
-  version "2.21.0"
-  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-2.21.0.tgz#7e120abf309a8810eeed26c52377943faf15a95b"
-  integrity sha512-19QbEqJQdMfcRS7PsQsubflRowEtnkbD0tpYR4q/xq4lodmhU7hhOFvlTQgbxD/jwW5Ur+tkOwH4KFy9JwOyXA==
+ember-template-lint@^3.4.2:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-3.4.2.tgz#d9480957b576b2b7ed02b4bf6bdb7c4b80243581"
+  integrity sha512-YorsJ5cVmrt0hm2gTVwsKsX/NpYp6X7oa+z7a2iAtwBEz4GyEImUpH3YF7ilXHMFB6d5k96LLKzF73cyBJliuQ==
   dependencies:
-    chalk "^4.0.0"
+    "@ember-template-lint/todo-utils" "^8.1.0"
+    chalk "^4.1.1"
+    date-fns "^2.21.3"
     ember-template-recast "^5.0.1"
     find-up "^5.0.0"
     fuse.js "^6.4.6"
     get-stdin "^8.0.0"
-    globby "^11.0.2"
+    globby "^11.0.3"
     is-glob "^4.0.1"
-    micromatch "^4.0.2"
+    micromatch "^4.0.4"
     resolve "^1.20.0"
-    v8-compile-cache "^2.2.0"
+    v8-compile-cache "^2.3.0"
     yargs "^16.2.0"
 
 ember-template-recast@^5.0.1:
@@ -7717,7 +7752,7 @@ globby@10.0.0:
     merge2 "^1.2.3"
     slash "^3.0.0"
 
-globby@11.0.3, globby@^11.0.1, globby@^11.0.2:
+globby@11.0.3, globby@^11.0.1, globby@^11.0.3:
   version "11.0.3"
   resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.3.tgz#9b1f0cb523e171dd1ad8c7b2a9fb4b644b9593cb"
   integrity sha512-ffdmosjA807y7+lA1NM0jELARVmYul/715xiILEjo3hBLPTcirgQNnXECn5g3mtR8TOLCVbkfua1Hpen25/Xcg==
@@ -9676,13 +9711,13 @@ micromatch@^3.1.10, micromatch@^3.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
-micromatch@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"
-  integrity sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==
+micromatch@^4.0.2, micromatch@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.4.tgz#896d519dfe9db25fce94ceb7a500919bf881ebf9"
+  integrity sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==
   dependencies:
     braces "^3.0.1"
-    picomatch "^2.0.5"
+    picomatch "^2.2.3"
 
 miller-rabin@^4.0.0:
   version "4.0.1"
@@ -10682,11 +10717,16 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.2.1:
+picomatch@^2.0.4, picomatch@^2.2.1:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
   integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
 
+picomatch@^2.2.3:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.0.tgz#f1f061de8f6a4bf022892e2d128234fb98302972"
+  integrity sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==
+
 pidtree@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/pidtree/-/pidtree-0.3.1.tgz#ef09ac2cc0533df1f3250ccf2c4d366b0d12114a"
@@ -12780,6 +12820,11 @@ tslib@^1.10.0, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
+tslib@^2.1.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
+  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
@@ -13083,10 +13128,10 @@ uuid@^3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
   integrity sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==
 
-v8-compile-cache@^2.0.3, v8-compile-cache@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.2.0.tgz#9471efa3ef9128d2f7c6a7ca39c4dd6b5055b132"
-  integrity sha512-gTpR5XQNKFwOd4clxfnhaqvfqMpqEwr4tOtCyz4MtYZX2JYhfr1JvBFKdS+7K/9rfpZR3VLX+YWBbKoxCgS43Q==
+v8-compile-cache@^2.0.3, v8-compile-cache@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"
+  integrity sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==
 
 validate-npm-package-license@^3.0.1:
   version "3.0.4"