diff --git a/docker_nix/action.yml b/docker_nix/action.yml
index 3775cf2..ba00eed 100644
--- a/docker_nix/action.yml
+++ b/docker_nix/action.yml
@@ -16,7 +16,7 @@ runs:
         apt install sudo
     - uses: https://github.com/cachix/install-nix-action@v29
       with:
-        nix_path: ${{ inputs.nix_path }}
+        nix_path: nixpkgs=channel:nixos-unstable
         extra_nix_config: |
           trusted-public-keys = skynet-cache:zMFLzcRZPhUpjXUy8SF8Cf7KGAZwo98SKrzeXvdWABo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
           substituters = https://nix-cache.skynet.ie/skynet-cache https://hydra.iohk.io https://cache.nixos.org/