diff --git a/lass/2configs/nixpkgs.nix b/lass/2configs/nixpkgs.nix
index aef9dd8b4..ad39848b6 100644
--- a/lass/2configs/nixpkgs.nix
+++ b/lass/2configs/nixpkgs.nix
@@ -3,6 +3,6 @@
 {
   krebs.build.source.nixpkgs.git = {
     url = https://github.com/nixos/nixpkgs;
-    ref = "f7b7d8e";
+    ref = "6651c72";
   };
 }