diff --git a/nix/sources.json b/nix/sources.json
index 70833fc..99fdd02 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -66,10 +66,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c6c4a3d45ab200f17805d2d86a1ff1cc7ca2b186",
-        "sha256": "1f6q98vx3sqxcn6qp5vpy00223r9hy93w9pxq65h9gdwzy3w4qxv",
+        "rev": "b165ce0c4efbb74246714b5c66b6bcdce8cde175",
+        "sha256": "1q7n9rk4i8ky2xxiymm72cfq1xra3ss3vkhbwf60rhiblslldgqg",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/c6c4a3d45ab200f17805d2d86a1ff1cc7ca2b186.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/b165ce0c4efbb74246714b5c66b6bcdce8cde175.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }