diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index c46d8a2d..09a9c552 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,5 +1,8 @@
 name: Coverage
-on: [push]
+on:
+  push:
+    branches:
+      - main
 
 jobs:
   test: