diff --git a/package.json b/package.json
index 73fb34a..f0f0048 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "ember-resolver": "^8.0.0",
     "ember-source": "~3.27.0",
     "ember-source-channel-url": "^3.0.0",
-    "ember-template-lint": "^2.9.1",
+    "ember-template-lint": "^3.4.1",
     "ember-try": "^1.0.0",
     "eslint": "^7.5.0",
     "eslint-plugin-ember": "^9.0.0",
diff --git a/yarn.lock b/yarn.lock
index 2b10169..4cfb61f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1471,6 +1471,16 @@
   resolved "https://registry.yarnpkg.com/@ember-data/rfc395-data/-/rfc395-data-0.0.4.tgz#ecb86efdf5d7733a76ff14ea651a1b0ed1f8a843"
   integrity sha512-tGRdvgC9/QMQSuSuJV45xoyhI0Pzjm7A9o/MVVA3HakXIImJbbzx/k/6dO9CUEQXIyS2y0fW6C1XaYOG7rY0FQ==
 
+"@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"
@@ -1853,6 +1863,19 @@
   dependencies:
     "@types/node" "*"
 
+"@types/eslint@^7.2.10":
+  version "7.2.10"
+  resolved "https://registry.yarnpkg.com/@types/eslint/-/eslint-7.2.10.tgz#4b7a9368d46c0f8cd5408c23288a59aa2394d917"
+  integrity sha512-kUEPnMKrqbtpCq/KTaGFFKAcz6Ethm2EjCoKIDaCmfRBWLbFuTcOJfTlorwbnboXBzahqWLgUp1BQeKHiJzPUQ==
+  dependencies:
+    "@types/estree" "*"
+    "@types/json-schema" "*"
+
+"@types/estree@*":
+  version "0.0.47"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.47.tgz#d7a51db20f0650efec24cd04994f523d93172ed4"
+  integrity sha512-c5ciR06jK8u9BstrmJyO97m+klJrrhCf9u3rLu3DEAJBirxRqSCvDQoYKmxuYwQI5SZChAWu+tq9oVlGRuzPAg==
+
 "@types/events@*":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
@@ -1908,6 +1931,11 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
+"@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/mime@*":
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.3.tgz#c893b73721db73699943bfc3653b1deb7faa4a3a"
@@ -4045,10 +4073,10 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.2, chalk@^2.4
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chalk@^4.0.0, chalk@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.0.tgz#4e14870a618d9e2edd97dd8345fd9d9dc315646a"
-  integrity sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==
+chalk@^4.0.0, chalk@^4.1.0, chalk@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.1.tgz#c80b3fab28bf6371e6863325eee67e618b77e6ad"
+  integrity sha512-diHzdDKxcU+bAsUboHLPEDQiw0qEe0qd7SYUn3HgcFlWgbDcfLGswOHYeGrHKzG9z6UYf01d9VFMfZxPM1xZSg==
   dependencies:
     ansi-styles "^4.1.0"
     supports-color "^7.1.0"
@@ -4810,6 +4838,11 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
+date-fns@^2.21.3:
+  version "2.21.3"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.21.3.tgz#8f5f6889d7a96bbcc1f0ea50239b397a83357f9b"
+  integrity sha512-HeYdzCaFflc1i4tGbj7JKMjM4cKGYoyxwcIIkHzNgCkX8xXDNJDZXgDDVchIWpN4eQc3lH37WarduXFZJOtxfw==
+
 dateformat@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
@@ -5605,21 +5638,23 @@ ember-source@~3.27.0:
     semver "^7.3.4"
     silent-error "^1.1.1"
 
-ember-template-lint@^2.9.1:
-  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@^3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-3.4.1.tgz#93468fe73b2eb353585cd10f8fb134848ca15eed"
+  integrity sha512-PqD8TZBeuUvX9sRRYUsfGJniaiGEEIqWUEjvRCtMcunC7PgBWs3fSFhU194buOdC6IGCRUiTM0w5OZ5BM3MKlA==
   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:
@@ -7068,10 +7103,10 @@ globby@10.0.0:
     merge2 "^1.2.3"
     slash "^3.0.0"
 
-globby@^11.0.0, globby@^11.0.1, globby@^11.0.2:
-  version "11.0.2"
-  resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.2.tgz#1af538b766a3b540ebfb58a32b2e2d5897321d83"
-  integrity sha512-2ZThXDvvV8fYFRVIxnrMQBipZQDr7MxKAmQK1vujaj9/7eF0efG7BPUKJ7jP7G5SLF37xKDXvO4S/KKLj/Z0og==
+globby@^11.0.0, 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==
   dependencies:
     array-union "^2.1.0"
     dir-glob "^3.0.1"
@@ -9357,13 +9392,13 @@ micromatch@^3.0.4, 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"
 
 mime-db@1.44.0:
   version "1.44.0"
@@ -10572,11 +10607,16 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-picomatch@^2.0.5, picomatch@^2.2.1:
+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 "2.2.3"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.3.tgz#465547f359ccc206d3c48e46a1bcb89bf7ee619d"
+  integrity sha512-KpELjfwcCDUb9PeigTs2mBJzXUPzAuP2oPcA989He8Rte0+YUAjw1JVedDhuTKPkHjSYzMN3npC9luThGYEKdg==
+
 pidtree@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/pidtree/-/pidtree-0.3.1.tgz#ef09ac2cc0533df1f3250ccf2c4d366b0d12114a"
@@ -12777,6 +12817,11 @@ tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
   integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
 
+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==
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -13086,10 +13131,10 @@ uuid@^8.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
   integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==
 
-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, validate-npm-package-license@^3.0.4:
   version "3.0.4"