diff --git a/.github/workflows/build-dockerfile.yml b/.github/workflows/build-dockerfile.yml
index 4715aa1..eaa97e4 100644
--- a/.github/workflows/build-dockerfile.yml
+++ b/.github/workflows/build-dockerfile.yml
@@ -8,6 +8,10 @@ on:
       - Dockerfile
       - .github
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   create-image:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/docker-browser.yml b/.github/workflows/docker-browser.yml
index 3bc2b1e..b144dff 100644
--- a/.github/workflows/docker-browser.yml
+++ b/.github/workflows/docker-browser.yml
@@ -22,6 +22,10 @@ on:
     - cron: '0 2 1,15 * *'
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5190847..d89d33e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,6 +2,10 @@ on:
   pull_request_target: # Use pull_request_target
     branches: [master, beta, release]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/update-website.yml b/.github/workflows/update-website.yml
index 017ab11..8a37428 100644
--- a/.github/workflows/update-website.yml
+++ b/.github/workflows/update-website.yml
@@ -2,6 +2,10 @@ name: Update Website
 
 on: [release, workflow_dispatch]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
   update-website:
     runs-on: ubuntu-latest