diff --git a/.github/workflows/check_pr_source.yml b/.github/workflows/check_pr_source.yml
index 877ab85c..5b354f6f 100644
--- a/.github/workflows/check_pr_source.yml
+++ b/.github/workflows/check_pr_source.yml
@@ -1,13 +1,15 @@
-name: Enforce test-staging → main
+name: Enforce test-staging → master
 
 on:
   pull_request:
     branches:
       - master
+      - test-staging
 
 jobs:
   require-test-staging:
     runs-on: ubuntu-22.04
+    if: github.event.pull_request.base.ref == 'master'
     steps:
       - name: Ensure PR source is test-staging
         run: |
diff --git a/.github/workflows/code_style.yml b/.github/workflows/code_style.yml
index 7b1688fb..83b78c39 100644
--- a/.github/workflows/code_style.yml
+++ b/.github/workflows/code_style.yml
@@ -2,9 +2,9 @@ name: Codestyle
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
 
 concurrency:
   group: "codestyle-${{ github.event.pull_request.number }}"
diff --git a/.github/workflows/core_build.yml b/.github/workflows/core_build.yml
index 2927716f..ac6ee60d 100644
--- a/.github/workflows/core_build.yml
+++ b/.github/workflows/core_build.yml
@@ -2,9 +2,9 @@ name: ubuntu-build
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
 
 concurrency:
   group: "core-build-${{ github.event.pull_request.number }}"
diff --git a/.github/workflows/macos_build.yml b/.github/workflows/macos_build.yml
index 30a558c6..ab4d83da 100644
--- a/.github/workflows/macos_build.yml
+++ b/.github/workflows/macos_build.yml
@@ -1,9 +1,9 @@
 name: macos-build
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
 
 concurrency:
   group: "macos-build-${{ github.event.pull_request.number }}"
diff --git a/.github/workflows/windows_build.yml b/.github/workflows/windows_build.yml
index 49678c97..121d9775 100644
--- a/.github/workflows/windows_build.yml
+++ b/.github/workflows/windows_build.yml
@@ -1,9 +1,9 @@
 name: windows-build
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "master", "test-staging" ]
 
 concurrency:
   group: "windows-build-${{ github.event.pull_request.number }}"