diff --git a/lass/2configs/nixpkgs.nix b/lass/2configs/nixpkgs.nix
index 4a1b0379b..e7229654d 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 = "5fff5a902594b34471b613eb2babcec923e1e1f1";
+    ref = "f66d782";
   };
 }