diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77f9333..c47ece0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@
 name: "CI"
 on:
   pull_request:
-  push:
-    branches:
-      - master
+    types:
+      - opened
+      - synchronize
     paths-ignore:
       - '**/README.md'
 jobs: