diff --git a/.github/workflows/ci-monolib.yml b/.github/workflows/ci-monolib.yml
index 5f1f075..5806ae9 100644
--- a/.github/workflows/ci-monolib.yml
+++ b/.github/workflows/ci-monolib.yml
@@ -1,9 +1,14 @@
 name: Test
 
 on:
-  pull_request:
   push:
-    branches: [main]
+    branches:
+      - main
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}