diff --git a/website/shell.nix b/website/shell.nix
index e42b5750..feb45d35 100644
--- a/website/shell.nix
+++ b/website/shell.nix
@@ -1,6 +1,6 @@
 let
   nixpkgsUnstable = builtins.fetchTarball {
-    url = "https://github.com/NixOS/nixpkgs-channels/archive/nixos-unstable.tar.gz";
+    url = "https://github.com/NixOS/nixpkgs-channels/archive/92e990a8d6bc35f1089c76dd8ba68b78da90da59.tar.gz";
   };
   pkgsUnstable = import nixpkgsUnstable { };
 in