diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1cbef34..c9c05a2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,8 @@ on:
             - main
             - dev
     pull_request:
+        branches:
+            - main
 # cancel in-progress runs on new commits to same PR (gitub.event.number)
 concurrency:
     group: ${{ github.workflow }}-${{ github.event.number || github.sha }}