diff --git a/nix/sources.json b/nix/sources.json
index fc07d6c4..780251c2 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -50,10 +50,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b72bde7c4a1f9c9bf1a161f0c267186ce3c6483c",
-        "sha256": "1cihs542msfldcawcsk6s2bs8bpz82ldy6axsrax8ngw2gllqrcd",
+        "rev": "f77036342e2b690c61c97202bf48f2ce13acc022",
+        "sha256": "1vcrb2s6ngfv0vy7nwlqdqhy1whlrck3ws4ifk5dfhmvdy3jqmr4",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/b72bde7c4a1f9c9bf1a161f0c267186ce3c6483c.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/f77036342e2b690c61c97202bf48f2ce13acc022.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixos-hardware": {