diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 12a80f4..081b56b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,6 +14,9 @@ on:
     paths-ignore:
       - 'README.md'
       - 'docs/*.md'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
 
   pymakeCI-os-intel:
diff --git a/.github/workflows/pymake-gcc.yml b/.github/workflows/pymake-gcc.yml
index 206607f..d514ba7 100644
--- a/.github/workflows/pymake-gcc.yml
+++ b/.github/workflows/pymake-gcc.yml
@@ -14,6 +14,9 @@ on:
     paths-ignore:
       - 'README.md'
       - 'docs/*.md'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
 
   pymakeCI-os-gcc:
diff --git a/.github/workflows/pymake-linting-install.yml b/.github/workflows/pymake-linting-install.yml
index feafe89..589551c 100644
--- a/.github/workflows/pymake-linting-install.yml
+++ b/.github/workflows/pymake-linting-install.yml
@@ -8,6 +8,9 @@ on:
     branches:
       - master
       - develop
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
 
 
diff --git a/.github/workflows/pymake-requests.yml b/.github/workflows/pymake-requests.yml
index e1bdc1c..514d0e1 100644
--- a/.github/workflows/pymake-requests.yml
+++ b/.github/workflows/pymake-requests.yml
@@ -14,6 +14,9 @@ on:
     paths-ignore:
       - 'README.md'
       - 'docs/*.md'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
 
   pymakeCI-requests:
diff --git a/.github/workflows/pymake-rtd.yml b/.github/workflows/pymake-rtd.yml
index 65907cc..8d8e1a9 100644
--- a/.github/workflows/pymake-rtd.yml
+++ b/.github/workflows/pymake-rtd.yml
@@ -8,6 +8,9 @@ on:
     branches:
       - master
       - develop
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
 
   pymake_rtd: