diff --git a/.github/workflows/nix-flake.yml b/.github/workflows/nix-flake.yml
index 54eae1a0..9c31aa48 100644
--- a/.github/workflows/nix-flake.yml
+++ b/.github/workflows/nix-flake.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@V28
+    - uses: cachix/install-nix-action@v30
       with:
         extra_nix_config: |
           trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hackage-server.cachix.org-1:iw0iRh6+gsFIrxROFaAt5gKNgIHejKjIfyRdbpPYevY=