diff --git a/.github/workflows/L10n-update.yml b/.github/workflows/L10n-update.yml
index 9dce59a..45599e8 100644
--- a/.github/workflows/L10n-update.yml
+++ b/.github/workflows/L10n-update.yml
@@ -3,7 +3,7 @@ name: L10n Update
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   trigger-update:
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 778a181..af1e830 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -3,11 +3,11 @@ name: PHP Tests
 on:
   push:
     branches:
-      - master
+      - main
       - release/*
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   lint:
diff --git a/README.md b/README.md
index 4c4d072..73aff0c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Icinga PHP Library - Common Validators and Validator Chaining
 
 [![PHP Support](https://img.shields.io/badge/php-%3E%3D%207.2-777BB4?logo=PHP)](https://php.net/)
-![Build Status](https://github.com/Icinga/ipl-validator/workflows/PHP%20Tests/badge.svg?branch=master)
+![Build Status](https://github.com/Icinga/ipl-validator/workflows/PHP%20Tests/badge.svg?branch=main)
 
 `ipl/validator` provides common validators and a validator chain that runs multiple validators in a user-defined order.