diff --git a/nixpkgs.json b/nixpkgs.json
index 16d6d156ca249f01de214717368017d7822c03aa..62afaf9ea5f9896250a677bb383e16b8d0bc081a 100644
--- a/nixpkgs.json
+++ b/nixpkgs.json
@@ -1,5 +1,5 @@
 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.335820.521e4d7d13b/nixexprs.tar.xz",
-  "sha256": "16p4cxpzlwdj6pv29a2dd0cv439v0dwlddzkdh1wnv7075nw2lyh"
+  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.335883.7adc9c14ec7/nixexprs.tar.xz",
+  "sha256": "0r0sgphydyv0xggzyfas5v7dznf42sdgib8s8zmf7dbi09yb4y1l"
 }
\ No newline at end of file