2 files changed, 3 insertions, 3 deletions
diff --git a/.build.yml b/.build.yml
index d730ae4..2dce81d 100644
--- a/.build.yml
+++ b/.build.yml
@@ -1,6 +1,4 @@
 image: nixos/unstable
-repositories:
-  nixpkgs: https://nixos.org/channels/nixpkgs-unstable
 triggers:
   - condition: failure
     action: email
diff --git a/default.nix b/default.nix
index 8df8ce0..2d35725 100644
--- a/default.nix
+++ b/default.nix
@@ -1,4 +1,6 @@
-let pkgs = import <nixpkgs> { };
+let
+  pkgs = import (fetchTarball
+    "https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz") { };
 in rec {
   utils = import ./utils.nix {
     pkgs = pkgs;