diff --git a/.github/workflows/build_external_lib.yml b/.github/workflows/build_external_lib.yml
index b3a01b8a89..c4c1239690 100644
--- a/.github/workflows/build_external_lib.yml
+++ b/.github/workflows/build_external_lib.yml
@@ -9,6 +9,10 @@ on:
     - master
   workflow_dispatch:
 
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
 
   build-deps:
diff --git a/.github/workflows/build_netcdf_no_hdf5.yml b/.github/workflows/build_netcdf_no_hdf5.yml
index 06560b74e5..43d1105d01 100644
--- a/.github/workflows/build_netcdf_no_hdf5.yml
+++ b/.github/workflows/build_netcdf_no_hdf5.yml
@@ -10,6 +10,10 @@ on:
     branches:
     - master
 
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
 
   build-deps:
diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index 5f5de18914..bbdb278731 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -8,6 +8,10 @@ on:
     branches:
     - master
 
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
 
   build-deps:
diff --git a/.github/workflows/build_variant.yml b/.github/workflows/build_variant.yml
index c43c349f26..853b327978 100644
--- a/.github/workflows/build_variant.yml
+++ b/.github/workflows/build_variant.yml
@@ -10,8 +10,11 @@ on:
     branches:
     - master
 
-jobs:
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
 
+jobs:
   build-deps:
 
     runs-on: ubuntu-latest
diff --git a/.github/workflows/docker-exodus.yml b/.github/workflows/docker-exodus.yml
index dcdeca959c..b452662065 100644
--- a/.github/workflows/docker-exodus.yml
+++ b/.github/workflows/docker-exodus.yml
@@ -2,6 +2,11 @@ name: docker-exodus
 on:
   push:
     branches: [ "master" ]
+
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
   build-latest:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/docker-seacas.yml b/.github/workflows/docker-seacas.yml
index 7f61b226bb..ad7982f8c7 100644
--- a/.github/workflows/docker-seacas.yml
+++ b/.github/workflows/docker-seacas.yml
@@ -2,6 +2,11 @@ name: docker-seacas
 on:
   push:
     branches: [ "master" ]
+
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
   build-latest:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/intel-build.yml b/.github/workflows/intel-build.yml
index f7801b7542..f4e6378c55 100644
--- a/.github/workflows/intel-build.yml
+++ b/.github/workflows/intel-build.yml
@@ -8,6 +8,11 @@ on:
     branches:
     - master
 
+
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
   build-deps:
 
diff --git a/.github/workflows/msys2.yml b/.github/workflows/msys2.yml
index 2af9345ddd..0a8b20087b 100644
--- a/.github/workflows/msys2.yml
+++ b/.github/workflows/msys2.yml
@@ -7,6 +7,10 @@ on:
     branches:
     - master
 
+concurrency:  
+  group: ${{ github.workflow}}-${{ github.head_ref }}  
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: windows-latest