diff --git a/ci.nix b/ci.nix
index 6da93c3..b4ee8da 100644
--- a/ci.nix
+++ b/ci.nix
@@ -1,5 +1,5 @@
 let
-  nixpkgsSrc = builtins.fetchTarball "https://github.com/NixOS/nixpkgs-channels/archive/nixos-unstable.tar.gz";
+  nixpkgsSrc = builtins.fetchTarball "https://github.com/NixOS/nixpkgs/archive/master.tar.gz";
   pkgs = import nixpkgsSrc {};
 
   lib = pkgs.lib;