diff --git a/packages/definitions-parser/allowedPackageJsonDependencies.txt b/packages/definitions-parser/allowedPackageJsonDependencies.txt
index ce5a3bad38..e4473bc3e3 100644
--- a/packages/definitions-parser/allowedPackageJsonDependencies.txt
+++ b/packages/definitions-parser/allowedPackageJsonDependencies.txt
@@ -29,6 +29,7 @@
 @emotion/serialize
 @emotion/styled
 @floating-ui/react
+@gimloader/types
 @glimmer/component
 @glimmer/manager
 @glimmer/runtime