diff --git a/addon/package.json b/addon/package.json
index edc1fe903..bf69c78dc 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -85,7 +85,7 @@
     "prettier-plugin-ember-template-tag": "^2.0.2",
     "rollup": "^4.21.0",
     "rollup-plugin-copy": "^3.5.0",
-    "typescript": "^5.4.5"
+    "typescript": "^5.6.2"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"
diff --git a/type-tests/package.json b/type-tests/package.json
index b80eafa61..64233c91f 100644
--- a/type-tests/package.json
+++ b/type-tests/package.json
@@ -14,6 +14,6 @@
     "dom-element-descriptors": "^0.5.0",
     "ember-source": "~5.9.0",
     "expect-type": "^0.15.0",
-    "typescript": "^5.1.3"
+    "typescript": "^5.6.2"
   }
 }