diff --git a/.gitea/workflows/update.yml b/.gitea/workflows/update.yml
index c456f2d..f9e374f 100644
--- a/.gitea/workflows/update.yml
+++ b/.gitea/workflows/update.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install nix
-        uses: DeterminateSystems/nix-installer-action@v14
+        uses: DeterminateSystems/nix-installer-action@v15
         with:
           github-token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
           extra_nix_config: |