diff --git a/.github/workflows/metalava-semver-check.yml b/.github/workflows/metalava-semver-check.yml
index 0ec7f35e49c..7cedffbb094 100644
--- a/.github/workflows/metalava-semver-check.yml
+++ b/.github/workflows/metalava-semver-check.yml
@@ -2,6 +2,8 @@ name: Metalava SemVer Check
 
 on:
   pull_request:
+    branches:
+      - main
 
 jobs:
   semver-check: