diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 50869226..84f549eb 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -17,7 +17,7 @@ jobs:
         - nixos-24.05
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         # Our ./sync.sh script needs the whole history
         fetch-depth: 0