diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index e605ba4..4ccdfcb 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -11,7 +11,7 @@ jobs:
     steps:
 
     - uses: actions/checkout@v4.2.2
-    - uses: cachix/install-nix-action@v30
+    - uses: cachix/install-nix-action@v31
       with:
         install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'