diff --git a/addon/package.json b/addon/package.json
index 6c08bfba..a2e9ac6a 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -108,7 +108,7 @@
     "prettier-plugin-ember-template-tag": "^2.0.2",
     "rollup": "^4.24.0",
     "rollup-plugin-copy": "^3.5.0",
-    "typescript": "^5.6.2"
+    "typescript": "^5.6.3"
   },
   "peerDependencies": {
     "ember-source": ">=3.28.0",
diff --git a/test-app/package.json b/test-app/package.json
index 29b4a41c..0ff037b1 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -109,7 +109,7 @@
     "stylelint-config-standard": "^36.0.1",
     "stylelint-prettier": "^5.0.2",
     "tracked-built-ins": "^3.3.0",
-    "typescript": "^5.6.2",
+    "typescript": "^5.6.3",
     "webpack": "^5.95.0"
   },
   "engines": {
diff --git a/yarn.lock b/yarn.lock
index 28657bb3..4e320ac4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13035,10 +13035,10 @@ typescript-memoize@^1.0.0-alpha.3, typescript-memoize@^1.0.1:
   resolved "https://registry.yarnpkg.com/typescript-memoize/-/typescript-memoize-1.1.1.tgz#02737495d5df6ebf72c07ba0d002e8f4cf5ccfa0"
   integrity sha512-GQ90TcKpIH4XxYTI2F98yEQYZgjNMOGPpOgdjIBhaLaWji5HPWlRnZ4AeA1hfBxtY7bCGDJsqDDHk/KaHOl5bA==
 
-typescript@^5.6.2:
-  version "5.6.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.6.2.tgz#d1de67b6bef77c41823f822df8f0b3bcff60a5a0"
-  integrity sha512-NW8ByodCSNCwZeghjN3o+JX5OFH0Ojg6sadjEKY4huZ52TqbJTJnDo5+Tw98lSy63NZvi4n+ez5m2u5d4PkZyw==
+typescript@^5.6.3:
+  version "5.6.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.6.3.tgz#5f3449e31c9d94febb17de03cc081dd56d81db5b"
+  integrity sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"