diff --git a/nix/sources.json b/nix/sources.json
index 92e90a3..7a4d382 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "5717d9d2f7ca0662291910c52f1d7b95b568fec2",
-        "sha256": "17gxd2f622pyss3r6cjngdav6wzdbr31d7bqx9z2lawxg47mmk1l",
+        "rev": "84d74ae9c9cbed73274b8e4e00be14688ffc93fe",
+        "sha256": "0ww70kl08rpcsxb9xdx8m48vz41dpss4hh3vvsmswll35l158x0v",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/5717d9d2f7ca0662291910c52f1d7b95b568fec2.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/84d74ae9c9cbed73274b8e4e00be14688ffc93fe.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }