diff --git a/nix/sources.json b/nix/sources.json
index 3cb4d8a..38d23bb 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "647cc06986c1ae4a2bb05298e0cf598723e42970",
-        "sha256": "1n1sd5lbds08vxy8x9l94w0z8bbq39fh2rrr6mnq0rmhf4xb2mj1",
+        "rev": "3d2d8f281a27d466fa54b469b5993f7dde198375",
+        "sha256": "1hfis53xyzy6hfdivlwkwdy7irbhk7c500a4lf7x43cfkijx5ks1",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/647cc06986c1ae4a2bb05298e0cf598723e42970.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/3d2d8f281a27d466fa54b469b5993f7dde198375.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {