diff --git a/nix/sources.json b/nix/sources.json
index e4bf74b..7015395 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3f0a8ac25fb674611b98089ca3a5dd6480175751",
-        "sha256": "10i7fllqjzq171afzhdf2d9r1pk9irvmq5n55h92rc47vlaabvr4",
+        "rev": "1dab772dd4a68a7bba5d9460685547ff8e17d899",
+        "sha256": "18qwmspcsmi0ryhcg66p9i42qwismm7l0706m39zw5ziq6n11fc9",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/3f0a8ac25fb674611b98089ca3a5dd6480175751.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/1dab772dd4a68a7bba5d9460685547ff8e17d899.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "unstable": {