diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2438b66..1946f37 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v24
+    - uses: cachix/install-nix-action@v25
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: make test