diff --git a/nix/sources.json b/nix/sources.json
index 89f8820..35989f7 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "413dcbc7362ddbd06a7d3f13a55c79d56f040e82",
-        "sha256": "1640ga3z1h56pak4910pard69na2plr5jlcah76ib3m2cszch26y",
+        "rev": "a89268f37a1e3d823ec728403db341dad2a70106",
+        "sha256": "12gz16fb2hk6fzsz0bzj9a8sw6sn5ix3i3np3r4jpnw2548zk2va",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/413dcbc7362ddbd06a7d3f13a55c79d56f040e82.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a89268f37a1e3d823ec728403db341dad2a70106.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }