diff --git a/README.md b/README.md
index 162e3c2..cbafd96 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ jobs:
           tags: registry.example.com/my-app:git-${{ github.sha }}
 
       - name: Compare Vulnerabilities (Head vs Target)
-        uses: https://git.horstenkamp.eu/Philipp/cve-differential@main
+        uses: https://git.horstenkamp.eu/Philipp/cve-differential.git@main
         with:
           head-image: registry.example.com/my-app:git-${{ github.sha }}
           target-image: registry.example.com/my-app:latest