diff --git a/package.json b/package.json
index f820048e..40b2583e 100644
--- a/package.json
+++ b/package.json
@@ -83,16 +83,16 @@
     "ember-resolver": "^8.0.2",
     "ember-source": "~3.27.0",
     "ember-source-channel-url": "^3.0.0",
-    "ember-template-lint": "^3.2.0",
+    "ember-template-lint": "^3.4.0",
     "ember-try": "^1.4.0",
-    "eslint": "^7.20.0",
+    "eslint": "^7.26.0",
     "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.2.0",
+    "eslint-plugin-ember": "^10.4.1",
     "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^3.3.1",
+    "eslint-plugin-prettier": "^3.4.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^2.2.1",
+    "prettier": "^2.3.0",
     "qunit": "^2.15.0",
     "qunit-dom": "^1.6.0",
     "semantic-release": "^17.4.2",
diff --git a/yarn.lock b/yarn.lock
index a72a149f..78462dd3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1080,12 +1080,12 @@
   resolved "https://registry.npmjs.org/@ember-data/rfc395-data/-/rfc395-data-0.0.4.tgz#ecb86efdf5d7733a76ff14ea651a1b0ed1f8a843"
   integrity sha512-tGRdvgC9/QMQSuSuJV45xoyhI0Pzjm7A9o/MVVA3HakXIImJbbzx/k/6dO9CUEQXIyS2y0fW6C1XaYOG7rY0FQ==
 
-"@ember-template-lint/todo-utils@^8.0.0":
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/@ember-template-lint/todo-utils/-/todo-utils-8.0.0.tgz#db18b2bbc26fb372062d827138b7e1bb659a30ae"
-  integrity sha512-bqULTNLWr93SRfM+MkPFN4qdYvdzmvwiPBaHpxQM67qnZ1BCs4Mr7zV8GF8OSmSKbyPNMAN2ZyxsPbNRbN6o3g==
+"@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" "^7.2.7"
+    "@types/eslint" "^7.2.10"
     fs-extra "^9.1.0"
     slash "^3.0.0"
     tslib "^2.1.0"
@@ -1199,6 +1199,21 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
+"@eslint/eslintrc@^0.4.1":
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.4.1.tgz#442763b88cecbe3ee0ec7ca6d6dd6168550cbf14"
+  integrity sha512-5v7TDE9plVhvxQeWLXDTvFvJBdH6pEsdnl2g/dAptmuFEPedQ4Erq5rsDsX+mvAM610IhNaO2W5V1dOOnDKxkQ==
+  dependencies:
+    ajv "^6.12.4"
+    debug "^4.1.1"
+    espree "^7.3.0"
+    globals "^12.1.0"
+    ignore "^4.0.6"
+    import-fresh "^3.2.1"
+    js-yaml "^3.13.1"
+    minimatch "^3.0.4"
+    strip-json-comments "^3.1.1"
+
 "@glimmer/component@^1.0.4":
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/@glimmer/component/-/component-1.0.4.tgz#1c85a5181615a6647f6acfaaed68e28ad7e9626e"
@@ -1990,7 +2005,7 @@
   resolved "https://registry.npmjs.org/@types/ember__utils/-/ember__utils-3.16.2.tgz#3fa9a0666a3e8204262e2a2960289aaf01f29467"
   integrity sha512-tBbqewgegiKSpGZvGh3pbcoXwLCMvKVdLRE97vys75nAEz/vBzkGJm+PDz1HVaTkRukWbRhlDiTm2qFH8qRnSw==
 
-"@types/eslint@^7.2.7":
+"@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==
@@ -4595,7 +4610,7 @@ 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:
+chalk@^4.0.0, chalk@^4.1.0, chalk@^4.1.1:
   version "4.1.1"
   resolved "https://registry.npmjs.org/chalk/-/chalk-4.1.1.tgz#c80b3fab28bf6371e6863325eee67e618b77e6ad"
   integrity sha512-diHzdDKxcU+bAsUboHLPEDQiw0qEe0qd7SYUn3HgcFlWgbDcfLGswOHYeGrHKzG9z6UYf01d9VFMfZxPM1xZSg==
@@ -5342,10 +5357,10 @@ data-urls@^2.0.0:
     whatwg-mimetype "^2.3.0"
     whatwg-url "^8.0.0"
 
-date-fns@^2.19.0:
-  version "2.21.1"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.21.1.tgz#679a4ccaa584c0706ea70b3fa92262ac3009d2b0"
-  integrity sha512-m1WR0xGiC6j6jNFAyW4Nvh4WxAi4JF4w9jRJwSI8nBmNcyZXPcP9VUQG+6gHQXAmqaGEKDKhOqAtENDC941UkA==
+date-fns@^2.21.1:
+  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"
@@ -6325,21 +6340,21 @@ ember-source@~3.27.0:
     semver "^7.3.4"
     silent-error "^1.1.1"
 
-ember-template-lint@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-3.2.0.tgz#d9fefc4f572079db2807c068f652a9d3cdc84c7c"
-  integrity sha512-X37VYwhi2JdVU7+CQDtLCCSHzK2+CeQ64/WQ4hKt9bx1ZtvxWXDMd2BNeDBckY/YvdviG0Yq2VARCzHpkiElwQ==
+ember-template-lint@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/ember-template-lint/-/ember-template-lint-3.4.0.tgz#2d5dde8b0756342b0214d245301c790919f012b5"
+  integrity sha512-hye0VU+C2IPoAp3n2Bst2pQ78Lkxk0YvS2uVWtiVqxPiy7xzmOxqeETCo7JzbkY2A5gBw6RX0TvIEDvNIdkKUg==
   dependencies:
-    "@ember-template-lint/todo-utils" "^8.0.0"
-    chalk "^4.0.0"
-    date-fns "^2.19.0"
+    "@ember-template-lint/todo-utils" "^8.1.0"
+    chalk "^4.1.1"
+    date-fns "^2.21.1"
     ember-template-recast "^5.0.1"
     find-up "^5.0.0"
     fuse.js "^6.4.6"
     get-stdin "^8.0.0"
     globby "^11.0.3"
     is-glob "^4.0.1"
-    micromatch "^4.0.2"
+    micromatch "^4.0.4"
     resolve "^1.20.0"
     v8-compile-cache "^2.3.0"
     yargs "^16.2.0"
@@ -6663,9 +6678,9 @@ eslint-plugin-ember@10.3.0:
     lodash.kebabcase "^4.1.1"
     snake-case "^3.0.3"
 
-eslint-plugin-ember@^10.2.0:
+eslint-plugin-ember@^10.4.1:
   version "10.4.1"
-  resolved "https://registry.npmjs.org/eslint-plugin-ember/-/eslint-plugin-ember-10.4.1.tgz#e1e13b92763740e996004dc51d44d58bc37e4d10"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-10.4.1.tgz#e1e13b92763740e996004dc51d44d58bc37e4d10"
   integrity sha512-/vnDlFUzmzPdE8spi+P5XxHJaMfOkhW49teNgfm15z8UbjJL3toEGsmjDoV64CAqVctUvojMFWGQjsLvjefnbQ==
   dependencies:
     "@ember-data/rfc395-data" "^0.0.4"
@@ -6722,7 +6737,7 @@ eslint-plugin-node@11.1.0, eslint-plugin-node@^11.1.0:
     resolve "^1.10.1"
     semver "^6.1.0"
 
-eslint-plugin-prettier@3.4.0, eslint-plugin-prettier@^3.3.1:
+eslint-plugin-prettier@3.4.0, eslint-plugin-prettier@^3.4.0:
   version "3.4.0"
   resolved "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.4.0.tgz#cdbad3bf1dbd2b177e9825737fe63b476a08f0c7"
   integrity sha512-UDK6rJT6INSfcOo545jiaOwB701uAIt2/dR7WnFQoGCVl1/EMqdANBmwUaqqQ45aXprsTGzSa39LI1PyuRBxxw==
@@ -6775,7 +6790,7 @@ eslint-visitor-keys@^2.0.0:
   resolved "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-2.0.0.tgz#21fdc8fbcd9c795cc0321f0563702095751511a8"
   integrity sha512-QudtT6av5WXels9WjIM7qz1XD1cWGvX4gGXvp/zBn9nXG02D0utdU3Em2m/QjTnrsk6bBjmCygl3rmj118msQQ==
 
-eslint@7.24.0, eslint@^7.20.0, eslint@^7.24.0:
+eslint@7.24.0, eslint@^7.24.0:
   version "7.24.0"
   resolved "https://registry.npmjs.org/eslint/-/eslint-7.24.0.tgz#2e44fa62d93892bfdb100521f17345ba54b8513a"
   integrity sha512-k9gaHeHiFmGCDQ2rEfvULlSLruz6tgfA8DEn+rY9/oYPFFTlz55mM/Q/Rij1b2Y42jwZiK3lXvNTw6w6TXzcKQ==
@@ -6818,6 +6833,49 @@ eslint@7.24.0, eslint@^7.20.0, eslint@^7.24.0:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
+eslint@^7.26.0:
+  version "7.26.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-7.26.0.tgz#d416fdcdcb3236cd8f282065312813f8c13982f6"
+  integrity sha512-4R1ieRf52/izcZE7AlLy56uIHHDLT74Yzz2Iv2l6kDaYvEu9x+wMB5dZArVL8SYGXSYV2YAg70FcW5Y5nGGNIg==
+  dependencies:
+    "@babel/code-frame" "7.12.11"
+    "@eslint/eslintrc" "^0.4.1"
+    ajv "^6.10.0"
+    chalk "^4.0.0"
+    cross-spawn "^7.0.2"
+    debug "^4.0.1"
+    doctrine "^3.0.0"
+    enquirer "^2.3.5"
+    eslint-scope "^5.1.1"
+    eslint-utils "^2.1.0"
+    eslint-visitor-keys "^2.0.0"
+    espree "^7.3.1"
+    esquery "^1.4.0"
+    esutils "^2.0.2"
+    file-entry-cache "^6.0.1"
+    functional-red-black-tree "^1.0.1"
+    glob-parent "^5.0.0"
+    globals "^13.6.0"
+    ignore "^4.0.6"
+    import-fresh "^3.0.0"
+    imurmurhash "^0.1.4"
+    is-glob "^4.0.0"
+    js-yaml "^3.13.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
+    levn "^0.4.1"
+    lodash "^4.17.21"
+    minimatch "^3.0.4"
+    natural-compare "^1.4.0"
+    optionator "^0.9.1"
+    progress "^2.0.0"
+    regexpp "^3.1.0"
+    semver "^7.2.1"
+    strip-ansi "^6.0.0"
+    strip-json-comments "^3.1.0"
+    table "^6.0.4"
+    text-table "^0.2.0"
+    v8-compile-cache "^2.0.3"
+
 esm@^3.2.4:
   version "3.2.25"
   resolved "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz#342c18c29d56157688ba5ce31f8431fbb795cc10"
@@ -9983,7 +10041,7 @@ micromatch@^3.1.10, micromatch@^3.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
-micromatch@^4.0.0, micromatch@^4.0.2:
+micromatch@^4.0.0, micromatch@^4.0.2, micromatch@^4.0.4:
   version "4.0.4"
   resolved "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz#896d519dfe9db25fce94ceb7a500919bf881ebf9"
   integrity sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==
@@ -11358,11 +11416,16 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@2.2.1, prettier@^2.2.1:
+prettier@2.2.1:
   version "2.2.1"
   resolved "https://registry.npmjs.org/prettier/-/prettier-2.2.1.tgz#795a1a78dd52f073da0cd42b21f9c91381923ff5"
   integrity sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==
 
+prettier@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.3.0.tgz#b6a5bf1284026ae640f17f7ff5658a7567fc0d18"
+  integrity sha512-kXtO4s0Lz/DW/IJ9QdWhAf7/NmPWQXkFr/r/WkR3vyI+0v8amTDxiaQSLzs8NBlytfLWX/7uQUMIW677yLKl4w==
+
 printf@^0.6.1:
   version "0.6.1"
   resolved "https://registry.npmjs.org/printf/-/printf-0.6.1.tgz#b9afa3d3b55b7f2e8b1715272479fc756ed88650"