diff --git a/.github/workflows/ci-tests-nix.yml b/.github/workflows/ci-tests-nix.yml
index 9305772..de47e81 100644
--- a/.github/workflows/ci-tests-nix.yml
+++ b/.github/workflows/ci-tests-nix.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
       - name: Build Nix package
         run: nix build
       - name: Check Flake formatting