diff --git a/.forgejo/workflows/update.yml b/.forgejo/workflows/update.yml
index 339e28b..0f031ab 100644
--- a/.forgejo/workflows/update.yml
+++ b/.forgejo/workflows/update.yml
@@ -11,7 +11,5 @@ jobs:
               uses: actions/checkout@v4
             - name: Install Nix
               uses: https://github.com/DeterminateSystems/nix-installer-action@main
-            - name: Check git version
-              run: 'git --version'
-            - name: Update flake.lock
-              uses: https://github.com/DeterminateSystems/update-flake-lock@main
+            - name: Update flake
+              run: 'set -x; nix flake update; git add flake.lock; git commit -m "flake.lock: Update"; git push'