diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 8e036e5..b0deeb1 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -1,5 +1,9 @@
 name: PHP tests
-on: [push, pull_request]
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, labeled]
+
 jobs:
   php-linter:
     name: PHP Syntax check 5.6|7.2|8.0|8.1