diff --git a/.github/workflows/dependabot-auto-merge.yml b/.github/workflows/dependabot-auto-merge.yml
index 73e3b14..d337c93 100644
--- a/.github/workflows/dependabot-auto-merge.yml
+++ b/.github/workflows/dependabot-auto-merge.yml
@@ -1,6 +1,9 @@
 name: Dependabot Auto-merge
 
-on: pull_request
+on:
+  pull_request:
+    branches:
+      - main
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index 8f8cb6c..0a87ac5 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -6,6 +6,10 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name }}
+  cancel-in-progress: true
+
 permissions: {}
 
 jobs: