diff --git a/.github/workflows/gem-push.yml b/.github/workflows/gem-push.yml
index 959c2a3..6919db2 100644
--- a/.github/workflows/gem-push.yml
+++ b/.github/workflows/gem-push.yml
@@ -42,3 +42,4 @@ jobs:
       env:
         GEM_HOST_API_KEY: "Bearer ${{secrets.GITHUB_TOKEN}}"
         OWNER: ${{ github.repository_owner }}
+      if: github.ref == 'refs/heads/main'