diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 9c4d99a79e..fcdf3a0445 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -8,6 +8,10 @@ on:
   pull_request:
     branches: [master]
 
+concurrency:
+  group: ${{ github.head_ref }}/codespell
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/container_dev.yml b/.github/workflows/container_dev.yml
index f20820a59f..87064c839a 100644
--- a/.github/workflows/container_dev.yml
+++ b/.github/workflows/container_dev.yml
@@ -13,6 +13,10 @@ on:
       - 'go.sum'
       - '.github/workflows/container_dev.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/container_dev
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/container_foundationdb_version.yml b/.github/workflows/container_foundationdb_version.yml
index 6fa0149b76..c8e98d2e9f 100644
--- a/.github/workflows/container_foundationdb_version.yml
+++ b/.github/workflows/container_foundationdb_version.yml
@@ -24,6 +24,10 @@ on:
         required: false
         default: ''
 
+concurrency:
+  group: ${{ github.head_ref }}/container_foundationdb_version
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/container_latest.yml b/.github/workflows/container_latest.yml
index 7a47628824..3c8da29da5 100644
--- a/.github/workflows/container_latest.yml
+++ b/.github/workflows/container_latest.yml
@@ -30,6 +30,10 @@ on:
         type: boolean
         default: false
 
+concurrency:
+  group: ${{ github.head_ref }}/container_latest
+  cancel-in-progress: true
+
 permissions:
   contents: read
   security-events: write
diff --git a/.github/workflows/container_release_foundationdb.yml b/.github/workflows/container_release_foundationdb.yml
index bf1270b0a8..9567aa0e63 100644
--- a/.github/workflows/container_release_foundationdb.yml
+++ b/.github/workflows/container_release_foundationdb.yml
@@ -11,6 +11,10 @@ on:
         required: true
         default: ''
 
+concurrency:
+  group: ${{ github.head_ref }}/container_release_foundationdb
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/depsreview.yml b/.github/workflows/depsreview.yml
index e4338c240a..c9ef4dab7a 100644
--- a/.github/workflows/depsreview.yml
+++ b/.github/workflows/depsreview.yml
@@ -1,6 +1,10 @@
 name: 'Dependency Review'
 on: [pull_request]
 
+concurrency:
+  group: ${{ github.head_ref }}/depsreview
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/ec-integration-tests.yml b/.github/workflows/ec-integration-tests.yml
index e078e01e6c..212656b53b 100644
--- a/.github/workflows/ec-integration-tests.yml
+++ b/.github/workflows/ec-integration-tests.yml
@@ -18,6 +18,10 @@ on:
       - 'go.sum'
       - '.github/workflows/ec-integration-tests.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/ec-integration-tests
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/helm_ci.yml b/.github/workflows/helm_ci.yml
index ce0ecf916b..9a6543104c 100644
--- a/.github/workflows/helm_ci.yml
+++ b/.github/workflows/helm_ci.yml
@@ -8,6 +8,10 @@ on:
     branches: [ master ]
     paths: ['k8s/**', '.github/workflows/helm_ci.yml', '.github/scripts/helm_jwt_keys.py']
 
+concurrency:
+  group: ${{ github.head_ref }}/helm_ci
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/java_integration_tests.yml b/.github/workflows/java_integration_tests.yml
index 075df5f857..8bae15f539 100644
--- a/.github/workflows/java_integration_tests.yml
+++ b/.github/workflows/java_integration_tests.yml
@@ -14,6 +14,10 @@ on:
       - 'weed/**'
       - '.github/workflows/java_integration_tests.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/java_integration_tests
+  cancel-in-progress: true
+
 jobs:
   test:
     name: Java Integration Tests
diff --git a/.github/workflows/java_unit_tests.yml b/.github/workflows/java_unit_tests.yml
index 753d1708e8..5575ba2ae6 100644
--- a/.github/workflows/java_unit_tests.yml
+++ b/.github/workflows/java_unit_tests.yml
@@ -12,6 +12,10 @@ on:
       - 'other/java/**'
       - '.github/workflows/java_unit_tests.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/java_unit_tests
+  cancel-in-progress: true
+
 jobs:
   test:
     name: Java Unit Tests
diff --git a/.github/workflows/plugin-workers.yml b/.github/workflows/plugin-workers.yml
index b3f10551c4..058596a24c 100644
--- a/.github/workflows/plugin-workers.yml
+++ b/.github/workflows/plugin-workers.yml
@@ -18,6 +18,10 @@ on:
       - 'go.sum'
       - '.github/workflows/plugin-workers.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/plugin-workers
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/s3-parquet-tests.yml b/.github/workflows/s3-parquet-tests.yml
index b86c3869e4..576fed5fbc 100644
--- a/.github/workflows/s3-parquet-tests.yml
+++ b/.github/workflows/s3-parquet-tests.yml
@@ -23,6 +23,10 @@ env:
   S3_ENDPOINT_URL: http://localhost:8333
   BUCKET_NAME: test-parquet-bucket
 
+concurrency:
+  group: ${{ github.head_ref }}/s3-parquet-tests
+  cancel-in-progress: true
+
 jobs:
   parquet-integration-tests:
     name: PyArrow Parquet Tests (Python ${{ matrix.python-version }})
diff --git a/.github/workflows/s3-tables-tests.yml b/.github/workflows/s3-tables-tests.yml
index 19c1395fe6..7a288342d1 100644
--- a/.github/workflows/s3-tables-tests.yml
+++ b/.github/workflows/s3-tables-tests.yml
@@ -12,6 +12,10 @@ on:
       - 'go.sum'
       - '.github/workflows/s3-tables-tests.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/s3-tables-tests
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/spark-integration-tests.yml b/.github/workflows/spark-integration-tests.yml
index 9a18898e2b..4541c44db1 100644
--- a/.github/workflows/spark-integration-tests.yml
+++ b/.github/workflows/spark-integration-tests.yml
@@ -15,6 +15,10 @@ on:
       - '.github/workflows/spark-integration-tests.yml'
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.head_ref }}/spark-integration-tests
+  cancel-in-progress: true
+
 permissions:
   contents: read
   checks: write
diff --git a/.github/workflows/telemetry-integration.yml b/.github/workflows/telemetry-integration.yml
index 68dd2d1b79..0ce4de722c 100644
--- a/.github/workflows/telemetry-integration.yml
+++ b/.github/workflows/telemetry-integration.yml
@@ -14,6 +14,10 @@ on:
       - 'weed/telemetry/**'
       - '.github/workflows/telemetry-integration.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/telemetry-integration
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/terraform_ci.yml b/.github/workflows/terraform_ci.yml
index 1e905e6f0e..5ed59291f7 100644
--- a/.github/workflows/terraform_ci.yml
+++ b/.github/workflows/terraform_ci.yml
@@ -8,6 +8,10 @@ on:
     branches: [ master ]
     paths: ['terraform/**', '.github/workflows/terraform_ci.yml']
 
+concurrency:
+  group: ${{ github.head_ref }}/terraform_ci
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/test-s3-over-https-using-awscli.yml b/.github/workflows/test-s3-over-https-using-awscli.yml
index 903c3bf912..f85aed1ec6 100644
--- a/.github/workflows/test-s3-over-https-using-awscli.yml
+++ b/.github/workflows/test-s3-over-https-using-awscli.yml
@@ -27,6 +27,10 @@ defaults:
   run:
     working-directory: weed
 
+concurrency:
+  group: ${{ github.head_ref }}/test-s3-over-https-using-awscli
+  cancel-in-progress: true
+
 jobs:
   awscli-tests:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/tls-rotation-tests.yml b/.github/workflows/tls-rotation-tests.yml
index ce4ecc99d2..244fc2f689 100644
--- a/.github/workflows/tls-rotation-tests.yml
+++ b/.github/workflows/tls-rotation-tests.yml
@@ -18,6 +18,10 @@ on:
       - 'go.sum'
       - '.github/workflows/tls-rotation-tests.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/tls-rotation-tests
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/vacuum-integration-tests.yml b/.github/workflows/vacuum-integration-tests.yml
index e9f2a4ce13..2c2f3bfd16 100644
--- a/.github/workflows/vacuum-integration-tests.yml
+++ b/.github/workflows/vacuum-integration-tests.yml
@@ -18,6 +18,10 @@ on:
       - 'go.sum'
       - '.github/workflows/vacuum-integration-tests.yml'
 
+concurrency:
+  group: ${{ github.head_ref }}/vacuum-integration-tests
+  cancel-in-progress: true
+
 permissions:
   contents: read