diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fc170c3871..14cf78dfc1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,8 @@ on:
       - "!master"
   pull_request:
     branches:
-      - "**"
+      - master
+    types: [synchronize, closed]
 
 concurrency:
   group: build-${{ github.event.pull_request.number || github.ref }}