diff --git a/nix/sources.json b/nix/sources.json
index 2c0efa12..c3b45d97 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -79,10 +79,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4275a321beab5a71872fb7a5fe5da511bb2bec73",
-        "sha256": "1p3pn7767ifbg08nmgjd93iqk0z87z4lv29ypalj9idwd3chsm69",
+        "rev": "1622abf0e7890a3dac995f6eb5a92f56819ae38e",
+        "sha256": "0xf1simacmyjimkb9k3wbq7d1cyypfz5rdssyz3fgcz4fh1i6c60",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/4275a321beab5a71872fb7a5fe5da511bb2bec73.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/1622abf0e7890a3dac995f6eb5a92f56819ae38e.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixos-hardware": {