diff --git a/extra/nix.nix b/extra/nix.nix
index 963af8a..1e29638 100644
--- a/extra/nix.nix
+++ b/extra/nix.nix
@@ -3,5 +3,6 @@
   environment.systemPackages = with pkgs; [
     nixpkgs-fmt
     nix-prefetch-git
+    nix-prefetch-github
   ];
 }