diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index ba1e4d6..690a95b 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Install Nix
         uses: cachix/install-nix-action@v26
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v20
+        uses: DeterminateSystems/update-flake-lock@v23
         with:
           token: ${{ secrets.REPO_SCOPED_TOKEN }}