diff --git a/nixpkgs.json b/nixpkgs.json
index e9f9b68919ec766d41474a299caecfdb3cffd966..015223adb2baa4a27d2ffffb36cfe58597fd4b4f 100644
--- a/nixpkgs.json
+++ b/nixpkgs.json
@@ -1,5 +1,5 @@
 {
   "name": "source",
-  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.336340.2ebb6c1e5ae/nixexprs.tar.xz",
-  "sha256": "1hi47fq801v2bk7ms50sz7a8744zfkkk27kxjpbxzv1n6k0n1w1q"
-}
+  "url": "https://releases.nixos.org/nixos/21.11/nixos-21.11.336589.2c66a7a6e03/nixexprs.tar.xz",
+  "sha256": "1yrgg568blb0syac5w4ca7ml92nggh5fbdbw0r10iglnliljy6m5"
+}
\ No newline at end of file