diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index defc1a4..6f560d0 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -2,9 +2,9 @@ name: Static analysis
 
 on:
   push:
-    branches: [ master ]
+    branches: [ 3.x ]
   pull_request:
-    branches: [ master ]
+    branches: [ 3.x ]
 
 jobs:
   phpcs:
diff --git a/.github/workflows/webdriver-chrome-headless.yml b/.github/workflows/webdriver-chrome-headless.yml
index 46ce1cb..eb66019 100644
--- a/.github/workflows/webdriver-chrome-headless.yml
+++ b/.github/workflows/webdriver-chrome-headless.yml
@@ -2,9 +2,9 @@ name: Chrome Headless Tests
 
 on:
   push:
-    branches: [ master ]
+    branches: [ 3.x ]
   pull_request:
-    branches: [ master ]
+    branches: [ 3.x ]
 
 jobs:
   build:
diff --git a/.github/workflows/webdriver-chrome.yml b/.github/workflows/webdriver-chrome.yml
index 43b5d69..7fe1bb5 100644
--- a/.github/workflows/webdriver-chrome.yml
+++ b/.github/workflows/webdriver-chrome.yml
@@ -2,9 +2,9 @@ name: Chrome Tests
 
 on:
   push:
-    branches: [ master ]
+    branches: [ 3.x ]
   pull_request:
-    branches: [ master ]
+    branches: [ 3.x ]
 
 jobs:
   build:
diff --git a/.github/workflows/webdriver-firefox.yml b/.github/workflows/webdriver-firefox.yml
index e421e41..6fee50d 100644
--- a/.github/workflows/webdriver-firefox.yml
+++ b/.github/workflows/webdriver-firefox.yml
@@ -2,9 +2,9 @@ name: Firefox Tests
 
 on:
   push:
-    branches: [ master ]
+    branches: [ 3.x ]
   pull_request:
-    branches: [ master ]
+    branches: [ 3.x ]
 
 jobs:
   build: