diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index c0bb963..9058432 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
-      - uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31
+      - uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable