diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09d9128..d9e6e31 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
 name: "CI"
 
 env:
-  COMPOSER_ROOT_VERSION: "4.1-dev"
+  COMPOSER_ROOT_VERSION: "4.1.x-dev"
 
 permissions:
   contents: read