diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index b11346a..994318d 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -17,6 +17,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: flake-lock
 
       - name: Setup Git Bot
         run: |
@@ -38,7 +40,6 @@ jobs:
 
       - name: Update nix flake
         run: |
-          git checkout -B flake-lock
           nix flake update --commit-lock-file 2>> $GITHUB_STEP_SUMMARY
 
       - name: Build
@@ -54,7 +55,7 @@ jobs:
               --print-build-logs
 
       - name: Commit Updates
-        run: git push --set-upstream origin flake-lock
+        run: git push --set-upstream --force-with-lease origin flake-lock
 
   build-full:
     needs: build-minimal