diff --git a/nix/sources.json b/nix/sources.json
index caad1ce..a360c83 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -62,10 +62,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "79c7b6a353e22f0eec342dead0bc69fb7ce846db",
-        "sha256": "1ihlj5wrzx151zhyr0vbiwyvhhc4g9chbaz4dy2a2i2v9fwwhjl2",
+        "rev": "604c44137d97b5111be1ca5c0d97f6e24fbc5c2c",
+        "sha256": "0gzhigyn8f7vps4a5vc1c8wbim59724s179a7d0h3gv6ss9avdj4",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/79c7b6a353e22f0eec342dead0bc69fb7ce846db.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/604c44137d97b5111be1ca5c0d97f6e24fbc5c2c.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {