diff --git a/.github/workflows/apple.yml b/.github/workflows/apple.yml
index 03f57d3..8ca2f4e 100644
--- a/.github/workflows/apple.yml
+++ b/.github/workflows/apple.yml
@@ -8,8 +8,8 @@ run-name: ${{ github.actor }}::pytest pcdl library on mac os x; the latest pytho
 on:
   push:
     branches: ["utest", "master"]  # ["v3", "v4"]
-  pull:
-    branches: ["master"]
+  pull_request:
+    branches: ["development", "master"]
 
 jobs:
   build-macosx:
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index feeac63..1a01ad7 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }}::pytest pcdl library on linux os; all python3 vers
 
 on:
   push:
-    branches: ["utest","master"]  # ["v3", "v4"]
-  pull:
-    branches: ["master"]
+    branches: ["utest", "master"]  # ["v3","v4"]
+  pull_request:
+    branches: ["development", "master"]
 
 jobs:
   build-linux:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index bf4b572..235e012 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -8,8 +8,8 @@ run-name: ${{ github.actor }}::pytest pcdl library on windows os; the latest pyt
 on:
   push:
     branches: ["utest", "master"]  # ["v3", "v4"]
-  pull:
-    branches: ["master"] 
+  pull_request:
+    branches: ["development", "master"]
 
 jobs:
   build-windows: