diff --git a/krebs/nixpkgs.json b/krebs/nixpkgs.json
index fd73bd142..64aa33907 100644
--- a/krebs/nixpkgs.json
+++ b/krebs/nixpkgs.json
@@ -1,7 +1,7 @@
 {
   "url": "https://github.com/NixOS/nixpkgs-channels",
-  "rev": "e02148563af765625be323465fb7a1d22072d88c",
-  "date": "2019-08-26T07:58:15-04:00",
-  "sha256": "1fa84bf9gpd5n1lc0ifxda44hbdkg8ka720yxsg6h8plsqjjxzs8",
+  "rev": "541d9cce8af7a490fb9085305939569567cb58e6",
+  "date": "2019-09-02T14:22:35+02:00",
+  "sha256": "0jgz72hhzkd5vyq5v69vpljjlnf0lqaz7fh327bvb3cvmwbfxrja",
   "fetchSubmodules": false
 }