diff --git a/nix/nixpkgs.json b/nix/nixpkgs.json
index b413573..5b93d06 100644
--- a/nix/nixpkgs.json
+++ b/nix/nixpkgs.json
@@ -1,7 +1,7 @@
 {
   "url": "https://github.com/nixos/nixpkgs-channels.git",
-  "rev": "80738ed9dc0ce48d7796baed5364eef8072c794d",
-  "date": "2018-11-17T11:18:10+01:00",
-  "sha256": "0anmvr6b47gbbyl9v2fn86mfkcwgpbd5lf0yf3drgm8pbv57c1dc",
+  "rev": "3a393eecafb3fcd9db5ff94783ddab0c55d15860",
+  "date": "2018-11-25T02:38:57+01:00",
+  "sha256": "1r7pycxxjcz3idyl35am4b4rdh4h5srd5r7w8msy2sc1sv830r30",
   "fetchSubmodules": false
 }
diff --git a/nix/update-nixpkgs.sh b/nix/update-nixpkgs.sh
index 0bb858a..b8fdd37 100755
--- a/nix/update-nixpkgs.sh
+++ b/nix/update-nixpkgs.sh
@@ -2,4 +2,4 @@
 #!nix-shell -i bash -p nix-prefetch-git
 
 nix-prefetch-git https://github.com/nixos/nixpkgs-channels.git \
-                 --rev refs/heads/nixos-unstable > ./nix/nixpkgs.json
+                 --rev refs/heads/nixpkgs-unstable > ./nix/nixpkgs.json