diff --git a/nix/sources.json b/nix/sources.json
index be1e0094..96b22d0b 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -65,10 +65,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "14b22c15933bf98927f3e3a60aff8c845b46692d",
-        "sha256": "114mksw1qh73l9yqbjas53fz5nacc8awskyzld8wka7k39b0yzq0",
+        "rev": "f12217c366cedaf69ec7b1cb51c0be10c16f4dcd",
+        "sha256": "19phyixmkkrrznsdyxggliaj0s8n18sks03948gs4d93zj0b2mvi",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/14b22c15933bf98927f3e3a60aff8c845b46692d.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/f12217c366cedaf69ec7b1cb51c0be10c16f4dcd.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "obelisk": {