diff --git a/.github/workflows/build_and_test_java_ubuntu.yml b/.github/workflows/build_and_test_java_ubuntu.yml
index c215211..fe3c6c9 100644
--- a/.github/workflows/build_and_test_java_ubuntu.yml
+++ b/.github/workflows/build_and_test_java_ubuntu.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 env:
   BUILD_TYPE: Release
 
@@ -23,4 +27,4 @@ jobs:
         architecture: x64
 
     - name: Build and test project with Maven
-      run: mvn -B package --file pom.xml
\ No newline at end of file
+      run: mvn -B package --file pom.xml
diff --git a/.github/workflows/build_and_test_mac.yml b/.github/workflows/build_and_test_mac.yml
index a807ea0..cfe6f31 100644
--- a/.github/workflows/build_and_test_mac.yml
+++ b/.github/workflows/build_and_test_mac.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 env:
   BUILD_TYPE: Release
 
diff --git a/.github/workflows/build_and_test_ubuntu.yml b/.github/workflows/build_and_test_ubuntu.yml
index 2b331d9..cabb14e 100644
--- a/.github/workflows/build_and_test_ubuntu.yml
+++ b/.github/workflows/build_and_test_ubuntu.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 env:
   BUILD_TYPE: Release
   PYTHON_VER: 3.8
diff --git a/.github/workflows/build_and_test_windows.yml b/.github/workflows/build_and_test_windows.yml
index d46345c..09ad178 100644
--- a/.github/workflows/build_and_test_windows.yml
+++ b/.github/workflows/build_and_test_windows.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 env:
   BUILD_TYPE: Release
 
diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index f5cd937..2a9539f 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -4,6 +4,10 @@ on:
   workflow_dispatch:
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build_wheels:
     name: Build wheels on ${{ matrix.os }}