diff --git a/.github/workflows/label-conflicts.yml b/.github/workflows/label-conflicts.yml
index 3a53051f..92aad95a 100644
--- a/.github/workflows/label-conflicts.yml
+++ b/.github/workflows/label-conflicts.yml
@@ -1,3 +1,5 @@
+name: Label conflicts
+
 on:
   push: { branches: ["main"] }
 
@@ -5,7 +7,7 @@ jobs:
   triage-conflicts:
     runs-on: ubuntu-latest
     steps:
-      - uses: mschilde/auto-label-merge-conflicts@v2.0
+      - uses: mschilde/auto-label-merge-conflicts@8c6faa8a252e35ba5e15703b3d747bf726cdb95c  # Oct 25, 2021
         with:
           CONFLICT_LABEL_NAME: "has conflicts"
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}