diff --git a/krebs/nixpkgs.json b/krebs/nixpkgs.json
index 0bc3abf9c..ae75f6074 100644
--- a/krebs/nixpkgs.json
+++ b/krebs/nixpkgs.json
@@ -1,7 +1,7 @@
 {
   "url": "https://github.com/NixOS/nixpkgs-channels",
-  "rev": "cf3e277dd0bd710af0df667e9364f4bd80c72713",
-  "date": "2019-04-24T23:55:21+02:00",
-  "sha256": "1abyadl3sxf67yi65758hq6hf2j07afgp1fmkk7kd94dadx6r6f4",
+  "rev": "04954e39df88487bf5b6bb5e532520e83a6c22ea",
+  "date": "2019-05-04T20:25:55-04:00",
+  "sha256": "1l6wc13mwwhv0msa0596wvsq2j2kxj1wjchdz4v1zzia781rpd8m",
   "fetchSubmodules": false
 }