diff --git a/.github/workflows/debian-cache.yml b/.github/workflows/debian-cache.yml
index 334c0e2..0582ec9 100644
--- a/.github/workflows/debian-cache.yml
+++ b/.github/workflows/debian-cache.yml
@@ -11,6 +11,9 @@ on:
       - 'distro/debian/cache.go'
       - 'distro/debian/kernel.go'
 
+concurrency:
+  group: ${{ github.workflow_ref }}
+
 jobs:
   debian-kernel-metadata-cache:
     name: Metadata