diff --git a/nixpkgs.json b/nixpkgs.json
index 3066c2260d204d86ef3b50ef3deac3619cd14145..75939cfd82401b06c61093aeae8e81361b2197f0 100644
--- a/nixpkgs.json
+++ b/nixpkgs.json
@@ -1,5 +1,5 @@
 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.335130.386234e2a61/nixexprs.tar.xz",
-  "sha256": "05lw8w4mbpzxsam09s22q7fm21ayhzh9w8g74vhhhmigr18ggxc7"
-}
+  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.335288.3ddd960a3b5/nixexprs.tar.xz",
+  "sha256": "1d16sdgpq6fn108b5mk0414dysbp84p399sibgk570sc8siw96mj"
+}
\ No newline at end of file