diff --git a/package.json b/package.json
index cbf0d357..dc2e45c9 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "ember-auto-import": "^1.10.1",
     "ember-cli-babel": "^7.23.0",
     "ember-cli-htmlbars": "^5.3.1",
-    "ember-cli-typescript": "^4.0.0",
+    "ember-cli-typescript": "^4.1.0",
     "fast-json-stable-stringify": "^2.1.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 5d4e11d2..f11559c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -76,7 +76,7 @@
     browserslist "^4.14.5"
     semver "^5.5.0"
 
-"@babel/helper-create-class-features-plugin@^7.10.4", "@babel/helper-create-class-features-plugin@^7.10.5":
+"@babel/helper-create-class-features-plugin@^7.10.5":
   version "7.10.5"
   resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.10.5.tgz#9f61446ba80e8240b0a5c85c6fdac8459d6f259d"
   integrity sha512-0nkdeijB7VlZoLT3r/mY3bUkw3T8WG/hNw+FATs/6+pG2039IJWjTYL0VTISqsNHMUTEnwbVnc89WIJX9Qed0A==
@@ -457,15 +457,7 @@
     "@babel/helper-remap-async-to-generator" "^7.12.1"
     "@babel/plugin-syntax-async-generators" "^7.8.0"
 
-"@babel/plugin-proposal-class-properties@^7.1.0", "@babel/plugin-proposal-class-properties@^7.10.4":
-  version "7.10.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.10.4.tgz#a33bf632da390a59c7a8c570045d1115cd778807"
-  integrity sha512-vhwkEROxzcHGNu2mzUC0OFFNXdZ4M23ib8aRRcJSsW8BZK9pQMD7QB7csl97NBbgGZO7ZyHUyKDnxzOaP4IrCg==
-  dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.10.4"
-    "@babel/helper-plugin-utils" "^7.10.4"
-
-"@babel/plugin-proposal-class-properties@^7.12.1":
+"@babel/plugin-proposal-class-properties@^7.1.0", "@babel/plugin-proposal-class-properties@^7.10.4", "@babel/plugin-proposal-class-properties@^7.12.1":
   version "7.12.1"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.12.1.tgz#a082ff541f2a29a4821065b8add9346c0c16e5de"
   integrity sha512-cKp3dlQsFsEs5CWKnN7BnSHOd0EOW8EKpEjkoz1pO2E5KzIDNV9Ros1b0CnmbVgAGXJubOYVBOGCT1OmJwOI7w==
@@ -5725,12 +5717,7 @@ ember-auto-import@^1.10.1:
     walk-sync "^0.3.3"
     webpack "^4.43.0"
 
-ember-cli-babel-plugin-helpers@^1.0.0, ember-cli-babel-plugin-helpers@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-babel-plugin-helpers/-/ember-cli-babel-plugin-helpers-1.1.0.tgz#de3baedd093163b6c2461f95964888c1676325ac"
-  integrity sha512-Zr4my8Xn+CzO0gIuFNXji0eTRml5AxZUTDQz/wsNJ5AJAtyFWCY4QtKdoELNNbiCVGt1lq5yLiwTm4scGKu6xA==
-
-ember-cli-babel-plugin-helpers@^1.1.1:
+ember-cli-babel-plugin-helpers@^1.0.0, ember-cli-babel-plugin-helpers@^1.1.0, ember-cli-babel-plugin-helpers@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ember-cli-babel-plugin-helpers/-/ember-cli-babel-plugin-helpers-1.1.1.tgz#5016b80cdef37036c4282eef2d863e1d73576879"
   integrity sha512-sKvOiPNHr5F/60NLd7SFzMpYPte/nnGkq/tMIfXejfKHIhaiIkYFqX8Z9UFTKWLLn+V7NOaby6niNPZUdvKCRw==
@@ -5956,10 +5943,10 @@ ember-cli-typescript@^2.0.2:
     stagehand "^1.0.0"
     walk-sync "^1.0.0"
 
-ember-cli-typescript@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-typescript/-/ember-cli-typescript-4.0.0.tgz#690f0cd3d15f4a69ae6d89f25b70b5997ae59161"
-  integrity sha512-ZwnBbBJ0yAIKq4FVgNFkxfMwqJhw6PyT45Enp2RvWIgzgaYCId8brrSgg3tvVWWjA7N5hiT4Ilyz5jrQwrnU1Q==
+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==
   dependencies:
     ansi-to-html "^0.6.6"
     broccoli-stew "^3.0.0"