diff --git a/addon/package.json b/addon/package.json
index cc52fa73..c2b26172 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -64,7 +64,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",
-    "@babel/plugin-transform-typescript": "^7.25.9",
+    "@babel/plugin-transform-typescript": "^7.26.3",
     "@babel/runtime": "^7.26.0",
     "@embroider/addon-dev": "^7.0.0",
     "@glint/core": "^1.5.0",
diff --git a/yarn.lock b/yarn.lock
index 79bc9617..e32bc3dc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -876,10 +876,10 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.22.5"
 
-"@babel/plugin-transform-typescript@^7.13.0", "@babel/plugin-transform-typescript@^7.16.8", "@babel/plugin-transform-typescript@^7.20.13", "@babel/plugin-transform-typescript@^7.25.9":
-  version "7.25.9"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typescript/-/plugin-transform-typescript-7.25.9.tgz#69267905c2b33c2ac6d8fe765e9dc2ddc9df3849"
-  integrity sha512-7PbZQZP50tzv2KGGnhh82GSyMB01yKY9scIjf1a+GfZCtInOWqUH5+1EBU4t9fyR5Oykkkc9vFTs4OHrhHXljQ==
+"@babel/plugin-transform-typescript@^7.13.0", "@babel/plugin-transform-typescript@^7.16.8", "@babel/plugin-transform-typescript@^7.20.13", "@babel/plugin-transform-typescript@^7.26.3":
+  version "7.26.3"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typescript/-/plugin-transform-typescript-7.26.3.tgz#3d6add9c78735623317387ee26d5ada540eee3fd"
+  integrity sha512-6+5hpdr6mETwSKjmJUdYw0EIkATiQhnELWlE3kJFBwSg/BGIVwVaVbX+gOXBCdc7Ln1RXZxyWGecIXhUfnl7oA==
   dependencies:
     "@babel/helper-annotate-as-pure" "^7.25.9"
     "@babel/helper-create-class-features-plugin" "^7.25.9"