diff --git a/nixpkgs.json b/nixpkgs.json
index 3402b15fb26efb0b03969fc9a6100b8d686d3293..16d6d156ca249f01de214717368017d7822c03aa 100644
--- a/nixpkgs.json
+++ b/nixpkgs.json
@@ -1,5 +1,5 @@
 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.335665.0f316e4d72d/nixexprs.tar.xz",
-  "sha256": "095yqwfm41mmzml0xjvvk4vxjjgrycywr27jw907z6d971vhj06s"
+  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.335820.521e4d7d13b/nixexprs.tar.xz",
+  "sha256": "16p4cxpzlwdj6pv29a2dd0cv439v0dwlddzkdh1wnv7075nw2lyh"
 }
\ No newline at end of file