diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5c78adf..5f961f3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -152,7 +152,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install nix
-        uses: cachix/install-nix-action@V28
+        uses: cachix/install-nix-action@v29
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Install dependencies