diff --git a/.github/workflows/ipxe.yaml b/.github/workflows/ipxe.yaml
index 4f01d01..98862f7 100644
--- a/.github/workflows/ipxe.yaml
+++ b/.github/workflows/ipxe.yaml
@@ -11,7 +11,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Install nix
-        uses: cachix/install-nix-action@V27
+        uses: cachix/install-nix-action@v29
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Build iPXE