diff --git a/nix/sources.json b/nix/sources.json
index 9d09945..9762e2e 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -60,10 +60,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c5f1ee982246d09ae7f119c13aafcce90286221d",
-        "sha256": "0wzbc1hgjy6x5qzpbk001g3a72xbih1vk61mm0i05jp4m2rafqkb",
+        "rev": "2949ed36539dcc6cd08e95b25d42e19ffab3d027",
+        "sha256": "1xg8wnqgmcb8gc58j09h4qjhqf21q21nkh3c8kkz9d7spbn12a9l",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/c5f1ee982246d09ae7f119c13aafcce90286221d.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/2949ed36539dcc6cd08e95b25d42e19ffab3d027.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {