diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 0473d60..fc11f94 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,6 +8,10 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   GO_VERSION: '1.26'
 
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e2027a2..efd73fb 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -7,6 +7,10 @@ on:
     paths:
       - "docs/**"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: Build Docusaurus
diff --git a/.github/workflows/dev-build.yml b/.github/workflows/dev-build.yml
index 9881d51..762bfac 100644
--- a/.github/workflows/dev-build.yml
+++ b/.github/workflows/dev-build.yml
@@ -4,6 +4,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 053dfab..a642c30 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -6,6 +6,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   e2e:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index b4f69ab..534f4b6 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -5,6 +5,10 @@ on:
     branches:
       - "main"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io