diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index abd1d1de..dc205902 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -2,6 +2,7 @@ name: "Code coverage"
 
 on:
   push:
+    branches: [ "master" ]
 
 jobs:
   coverage: