diff --git a/.forgejo/workflows/build-image.yaml b/.forgejo/workflows/build-image.yaml
index 83dc962..b5ed79b 100644
--- a/.forgejo/workflows/build-image.yaml
+++ b/.forgejo/workflows/build-image.yaml
@@ -21,7 +21,7 @@ jobs:
           image: 'registry.uncontrol.me/ver4a/oci-builder'
           tags: 'ci-dev'
           context: 'oci-builder'
-          containerfiles: 'oci-builder/Dockerfile'
+          containerfiles: 'oci-builder/Containerfile'
           oci: true
           extra-args: |
             --userns=container
@@ -65,7 +65,7 @@ jobs:
           image: 'registry.uncontrol.me/ver4a/oci-builder'
           tags: 'throwaway'
           context: 'oci-builder'
-          containerfiles: 'oci-builder/Dockerfile'
+          containerfiles: 'oci-builder/Containerfile'
           oci: true
           extra-args: |
             --userns=container
diff --git a/oci-builder/Dockerfile b/oci-builder/Containerfile
similarity index 100%
rename from oci-builder/Dockerfile
rename to oci-builder/Containerfile