diff --git a/nix/sources.json b/nix/sources.json
index 57269e83..181dcf72 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -79,10 +79,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9898811c658d39b2692d0ab744377e02fd85d08b",
-        "sha256": "0vk147ivb029h5pmg6nb127nvfgmy728nlnzk7x152dl1b68jmx0",
+        "rev": "dac57a4eccf1442e8bf4030df6fcbb55883cb682",
+        "sha256": "025q5d9sjpamlbxyxzrisn3f6x8hnfx666favp0n59mfvh16hphb",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/9898811c658d39b2692d0ab744377e02fd85d08b.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/dac57a4eccf1442e8bf4030df6fcbb55883cb682.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixos-unstable": {