diff --git a/krebs/nixpkgs-unstable.json b/krebs/nixpkgs-unstable.json
index e9dd5bf82..bd1ab98c0 100644
--- a/krebs/nixpkgs-unstable.json
+++ b/krebs/nixpkgs-unstable.json
@@ -1,9 +1,9 @@
 {
   "url": "https://github.com/NixOS/nixpkgs",
-  "rev": "555daa9d339b3df75e58ee558a4fec98ea92521e",
-  "date": "2023-04-18T16:34:17+02:00",
-  "path": "/nix/store/yfr0653m8j22871x11d363iz6wwsznsd-nixpkgs",
-  "sha256": "0m361xqnx1d1nwahichvg8l1qy3ambra0rg56mmyh71xgnrnz1m3",
+  "rev": "645bc49f34fa8eff95479f0345ff57e55b53437e",
+  "date": "2023-04-19T18:04:47+02:00",
+  "path": "/nix/store/jh86824939585dinrs1zlkh6cvz8l8l7-nixpkgs",
+  "sha256": "0kfndc7xdkm89yl0f27wdnwd6gdad3i49jx7gvaib1hz0ifpmxzv",
   "fetchLFS": false,
   "fetchSubmodules": false,
   "deepClone": false,