diff --git a/nix/sources.json b/nix/sources.json
index a95024b..c8fc949 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -62,10 +62,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8b3398bc7587ebb79f93dfeea1b8c574d3c6dba1",
-        "sha256": "1yaql4cwy4vd0sfd7gmcg5wpm2sn13ggkayvfq2l4kc1i4s57xcc",
+        "rev": "cbd40c72b2603ab54e7208f99f9b35fc158bc009",
+        "sha256": "09ffmjs9lwm97p8v8977p319kc8ys2fjnyv08gb99kgbr7gfiyfd",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/8b3398bc7587ebb79f93dfeea1b8c574d3c6dba1.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/cbd40c72b2603ab54e7208f99f9b35fc158bc009.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {