diff --git a/.gitea/workflows/eval.yml b/.gitea/workflows/eval.yml
index b2cab90..a3861b0 100644
--- a/.gitea/workflows/eval.yml
+++ b/.gitea/workflows/eval.yml
@@ -8,6 +8,6 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - run: apt-get update && apt-get -y install sudo
-    - uses: https://github.com/cachix/install-nix-action@v23
+    - uses: https://github.com/cachix/install-nix-action@v31
     - run: echo -e "show-trace = true\nmax-jobs = auto\ntrusted-users = root\nexperimental-features = nix-command flakes\nbuild-users-group =" > /etc/nix/nix.conf
     - run: nix flake check