diff --git a/nix/sources.json b/nix/sources.json
index bee0b4b..0e6fac0 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -86,10 +86,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f5892ddac112a1e9b3612c39af1b72987ee5783a",
-        "sha256": "1jixd02bhv6hdvi1ix4s5k6yl4p6ib7f8hi78p1xv6w9hllq6zsz",
+        "rev": "85f1ba3e51676fa8cc604a3d863d729026a6b8eb",
+        "sha256": "0992mbqdvvkxy1gz8bzmqdx3kz5and17xik6d836p65vkll64ksz",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/f5892ddac112a1e9b3612c39af1b72987ee5783a.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/85f1ba3e51676fa8cc604a3d863d729026a6b8eb.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }