diff --git a/.gitea/workflows/build-flake.yml b/.gitea/workflows/build-flake.yml
index 79d9559..718f5de 100644
--- a/.gitea/workflows/build-flake.yml
+++ b/.gitea/workflows/build-flake.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup sudo (required for the next step)
         run: apt-get update && apt-get install -y sudo
       - name: Setup nix
-        uses: cachix/install-nix-action@v30
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes