diff --git a/.github/workflows/docker-push-posthog.yml b/.github/workflows/docker-push-posthog.yml
index 3af0625..57ce20b 100644
--- a/.github/workflows/docker-push-posthog.yml
+++ b/.github/workflows/docker-push-posthog.yml
@@ -38,6 +38,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: ./
+          file: ./build/Dockerfile.Posthog
           push: true
           tags: ${{ steps.meta.outputs.tags }}