diff --git a/.gitea/workflows/flake-update.yaml b/.gitea/workflows/flake-update.yaml
index 528f9b0..e9d930b 100644
--- a/.gitea/workflows/flake-update.yaml
+++ b/.gitea/workflows/flake-update.yaml
@@ -8,6 +8,7 @@ on:
 jobs:
   update:
     runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
     steps:
       - uses: actions/checkout@v4