diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 96261f1..c044cba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,7 @@ jobs:
           components: rustfmt
           profile: minimal
           toolchain: nightly
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         if: ${{ matrix.os != 'windows-latest' }}
         with:
           nix_path: nixpkgs=channel:nixos-unstable