diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 35ce681e0b..bd1c7aca6b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -297,7 +297,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-24.11
       - run: nix-shell --packages ruby bundler --run 'bundle install'