diff --git a/package.json b/package.json
index f86d3b57..ad6b154d 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "calculate-cache-key-for-tree": "^2.0.0",
     "caniuse-api": "^3.0.0",
     "ember-cli-babel": "^7.23.1",
-    "ember-cli-typescript": "^4.1.0",
+    "ember-cli-typescript": "^4.2.1",
     "ember-cli-version-checker": "^5.1.2",
     "node-fetch": "^2.6.1",
     "whatwg-fetch": "^3.6.2"
diff --git a/yarn.lock b/yarn.lock
index d068bfca..8e3f545d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2221,12 +2221,12 @@ ansi-styles@^4.0.0, ansi-styles@^4.1.0:
     "@types/color-name" "^1.1.1"
     color-convert "^2.0.1"
 
-ansi-to-html@^0.6.6:
-  version "0.6.14"
-  resolved "https://registry.yarnpkg.com/ansi-to-html/-/ansi-to-html-0.6.14.tgz#65fe6d08bba5dd9db33f44a20aec331e0010dad8"
-  integrity sha512-7ZslfB1+EnFSDO5Ju+ue5Y6It19DRnZXWv8jrGHgIlPna5Mh4jz7BV5jCbQneXNFurQcKoolaaAjHtgSBfOIuA==
+ansi-to-html@^0.6.15, ansi-to-html@^0.6.6:
+  version "0.6.15"
+  resolved "https://registry.yarnpkg.com/ansi-to-html/-/ansi-to-html-0.6.15.tgz#ac6ad4798a00f6aa045535d7f6a9cb9294eebea7"
+  integrity sha512-28ijx2aHJGdzbs+O5SNQF65r6rrKYnkuwTYm8lZlChuoJ9P1vVzIpWO20sQTqTPDXYp6NFwk326vApTtLVFXpQ==
   dependencies:
-    entities "^1.1.2"
+    entities "^2.0.0"
 
 ansicolors@~0.2.1:
   version "0.2.1"
@@ -5725,12 +5725,12 @@ ember-cli-typescript@^3.1.3:
     stagehand "^1.0.0"
     walk-sync "^2.0.0"
 
-ember-cli-typescript@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-typescript/-/ember-cli-typescript-4.1.0.tgz#2ff17be2e6d26b58c88b1764cb73887e7176618b"
-  integrity sha512-zSuKG8IQuYE3vS+c7V0mHJqwrN/4Wo9Wr50+0NUjnZH3P99ChynczQHu/P7WSifkO6pF6jaxwzf09XzWvG8sVw==
+ember-cli-typescript@^4.1.0, ember-cli-typescript@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-typescript/-/ember-cli-typescript-4.2.1.tgz#54d08fc90318cc986f3ea562f93ce58a6cc4c24d"
+  integrity sha512-0iKTZ+/wH6UB/VTWKvGuXlmwiE8HSIGcxHamwNhEC5x1mN3z8RfvsFZdQWYUzIWFN2Tek0gmepGRPTwWdBYl/A==
   dependencies:
-    ansi-to-html "^0.6.6"
+    ansi-to-html "^0.6.15"
     broccoli-stew "^3.0.0"
     debug "^4.0.0"
     execa "^4.0.0"
@@ -6165,7 +6165,12 @@ ensure-posix-path@^1.0.0, ensure-posix-path@^1.0.1, ensure-posix-path@^1.0.2, en
   resolved "https://registry.yarnpkg.com/ensure-posix-path/-/ensure-posix-path-1.1.1.tgz#3c62bdb19fa4681544289edb2b382adc029179ce"
   integrity sha512-VWU0/zXzVbeJNXvME/5EmLuEj2TauvoaTz6aFYK1Z92JCBlDlZ3Gu0tuGR42kpW1754ywTs+QB0g5TP0oj9Zaw==
 
-entities@^1.1.2, entities@~1.1.1:
+entities@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
+  integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
+
+entities@~1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==