diff --git a/.github/workflows/dependency-audit.yml b/.github/workflows/dependency-audit.yml
index 91fcb28..29c5cdc 100644
--- a/.github/workflows/dependency-audit.yml
+++ b/.github/workflows/dependency-audit.yml
@@ -10,6 +10,10 @@ on:
   schedule:
     - cron: '0 4 * * 1' # Weekly Monday 04:00 UTC
 
+concurrency:
+  group: dependency-audit-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   audit:
     name: pnpm audit
diff --git a/.github/workflows/generated-file-gate.yml b/.github/workflows/generated-file-gate.yml
index 0be61ed..b11f672 100644
--- a/.github/workflows/generated-file-gate.yml
+++ b/.github/workflows/generated-file-gate.yml
@@ -6,6 +6,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: generated-file-gate-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   generated-file-gate:
     name: Block committed generated files