diff --git a/.github/workflows/C.yml b/.github/workflows/C.yml
index 7497f01fb..aef179b31 100644
--- a/.github/workflows/C.yml
+++ b/.github/workflows/C.yml
@@ -1,17 +1,16 @@
 name: C
 
 on:
-  push:
-    branches: [main, 'v[0-9]+*' ]
-    tags-ignore: ["**"]
+  pull_request:
+    branches-ignore: [gh-pages]
     paths:
       - '.github/workflows/C.yml'
       - 'c/Make*'
       - 'c/*.mk'
       - 'c/*.[ch]p?p?'
-
-  pull_request:
-    branches-ignore: [gh-pages]
+  push:
+    branches: [main, 'v[0-9]+*' ]
+    tags-ignore: ["**"]
     paths:
       - '.github/workflows/C.yml'
       - 'c/Make*'
@@ -21,7 +20,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/R.yml b/.github/workflows/R.yml
index e1718fa5a..85bf02d3c 100644
--- a/.github/workflows/R.yml
+++ b/.github/workflows/R.yml
@@ -1,9 +1,8 @@
 name: R
 
 on:
-  push:
-    branches: [main, 'v[0-9]+*' ]
-    tags-ignore: ["**"]
+  pull_request:
+    branches-ignore: [gh-pages]
     paths:
       - ".github/workflows/rchk.yml"
       - ".github/workflows/R.yml"
@@ -12,8 +11,9 @@ on:
       - 'c/Make*'
       - 'c/*.mk'
       - 'c/**/*.[ch]p?p?'
-  pull_request:
-    branches-ignore: [gh-pages]
+  push:
+    branches: [main, 'v[0-9]+*' ]
+    tags-ignore: ["**"]
     paths:
       - ".github/workflows/rchk.yml"
       - ".github/workflows/R.yml"
@@ -31,7 +31,7 @@ env:
   _R_CHECK_CRAN_INCOMING_REMOTE_: false
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/matlab.yml b/.github/workflows/matlab.yml
index 7e0ff2402..f707369c7 100644
--- a/.github/workflows/matlab.yml
+++ b/.github/workflows/matlab.yml
@@ -1,9 +1,8 @@
 name: Matlab
 
 on:
-  push:
-    branches: [main, 'v[0-9]+*' ]
-    tags-ignore: ["**"]
+  pull_request:
+    branches-ignore: [gh-pages]
     paths:
       - '.github/workflows/matlab.yml'
       - 'c/hv*.[ch]p?p?'
@@ -11,9 +10,9 @@ on:
       - 'matlab/Make*'
       - 'matlab/*.[ch]p?p?'
       - 'matlab/*.m'
-
-  pull_request:
-    branches-ignore: [gh-pages]
+  push:
+    branches: [main, 'v[0-9]+*' ]
+    tags-ignore: ["**"]
     paths:
       - '.github/workflows/matlab.yml'
       - 'c/hv*.[ch]p?p?'
@@ -25,7 +24,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 833ae1f9f..46a62dc3e 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -1,9 +1,8 @@
 name: Python
 
 on:
-  push:
-    branches: [main, 'v[0-9]+*' ]
-    tags-ignore: ["**"]
+  pull_request:
+    branches-ignore: [gh-pages]
     paths:
       - ".github/workflows/python.yml"
       - "python/**"
@@ -11,8 +10,9 @@ on:
       - 'c/Make*'
       - 'c/*.mk'
       - 'c/**/*.[ch]p?p?'
-  pull_request:
-    branches-ignore: [gh-pages]
+  push:
+    branches: [main, 'v[0-9]+*' ]
+    tags-ignore: ["**"]
     paths:
       - ".github/workflows/python.yml"
       - "python/**"
@@ -27,7 +27,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs: