diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 26c0387..aaa70e6 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -36,4 +36,4 @@ jobs:
          continue-on-error: true
 
        - name: Run sinker push with magic manifest
-         run: ../sinker push --manifest .tigera.yml
+         run: ../sinker push --manifest .tigera.yaml