diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index e2ee886a..d6a7969c 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
         with:
           path: |
             codegen-cache
-          key: cache-${{ hashFiles('./Dockerfile') }}
+          key: cache-${{ hashFiles('./docker/Dockerfile') }}
 
       - name: Inject cache into Docker
         uses: https://github.com/reproducible-containers/buildkit-cache-dance@v3.2.0