diff --git a/.github/workflows/fix-php-code-style-issues.yml b/.github/workflows/fix-php-code-style-issues.yml
index 7f61fce..335a725 100644
--- a/.github/workflows/fix-php-code-style-issues.yml
+++ b/.github/workflows/fix-php-code-style-issues.yml
@@ -1,6 +1,12 @@
 name: Fix PHP code style issues
 
-on: [push]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   php-code-styling:
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 8999797..b019d91 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -1,7 +1,12 @@
 name: PHPStan
 
 on:
+  pull_request:
+    branches:
+      - main
   push:
+    branches:
+      - main
     paths:
       - '**.php'
       - 'composer.json'
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 8a90d0a..3c067fe 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -3,7 +3,7 @@ name: run-tests
 on:
   push:
     branches:
-      - '*'
+      - main
   pull_request:
     branches:
       - main