diff --git a/.github/workflows/pcb.yml b/.github/workflows/pcb.yml
index 3a657fd..24be50e 100644
--- a/.github/workflows/pcb.yml
+++ b/.github/workflows/pcb.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v22
+      - uses: cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Set version to GITHUB_SHA