diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b7cc964..ebf4ee6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,9 @@
 name: ci
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   schedule:
     - cron: '0 10 * * *'
diff --git a/.github/workflows/cleanup.yml b/.github/workflows/cleanup.yml
index 32b1480..7edf226 100644
--- a/.github/workflows/cleanup.yml
+++ b/.github/workflows/cleanup.yml
@@ -1,5 +1,9 @@
 name: cleanup
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   workflow_dispatch:
   schedule:
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index 26d6be3..90d96dc 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -1,5 +1,9 @@
 name: labels
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
     branches:
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index b606f2d..72fb222 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -1,5 +1,9 @@
 name: validate
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   push:
     branches: