diff --git a/.github/workflows/dedupe.yaml b/.github/workflows/dedupe.yaml
index 36064da4..fa6a1667 100644
--- a/.github/workflows/dedupe.yaml
+++ b/.github/workflows/dedupe.yaml
@@ -9,7 +9,7 @@ jobs:
   dedupe:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           ref: ${{github.event.pull_request.head.ref}}