diff --git a/nixpkgs.json b/nixpkgs.json
index ba0ac988eff8de6113851f8cff29f88e4fa60354..7e2be964f1970b86ce405b4c5334dddef41c81ad 100644
--- a/nixpkgs.json
+++ b/nixpkgs.json
@@ -1,5 +1,5 @@
 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.2962.b8dd8be3c790/nixexprs.tar.xz",
-  "sha256": "053dwx7smszz3a0khbm6zvf9pvy5xz1ifdk9jx6gz5cmwjab0gmp"
+  "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.4166.20f65b86b648/nixexprs.tar.xz",
+  "sha256": "07q1gprh4qqb140mh06b5zjz2rrq64hggjbr11nsvdg9rrq9f0c2"
 }
\ No newline at end of file