diff --git a/nix/sources.json b/nix/sources.json
index ba49eaf..5b1ea69 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -41,10 +41,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ba0c64775b4fdb8d37b0943e8fbb6cb7a1d64094",
-        "sha256": "0vhdyh9v16axibf879fl61mb9d5n3s0qd7c56szzcrf3nfhg5d2g",
+        "rev": "b4db68ff563895eea6aab4ff24fa04ef403dfe14",
+        "sha256": "1qbs7p0mmcmpg70ibd437hl57byqx5q0pc61p1dckrkazj7kq0pc",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/ba0c64775b4fdb8d37b0943e8fbb6cb7a1d64094.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/b4db68ff563895eea6aab4ff24fa04ef403dfe14.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixos-unstable": {