diff --git a/nix/sources.json b/nix/sources.json
index 443e061..09419b4 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "441a7da8080352881bb52f85e910d8855e83fc55",
-        "sha256": "0093drxn7blw4hay41zbqzz1vhldil5sa5p0mwaqy5dn08yn4y3q",
+        "rev": "2a35f664394b379e0c0785cc769ff6ccc791be39",
+        "sha256": "1ac01hyvniiwrwgqlvmx76dxc7aqg71nx3d05d0dc35lbyjq7acf",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/441a7da8080352881bb52f85e910d8855e83fc55.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/2a35f664394b379e0c0785cc769ff6ccc791be39.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }