diff --git a/nix/sources.json b/nix/sources.json
index 20305b0..53419df 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -74,10 +74,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "893b6b9f6c4ed0c7efdb84bd300a499a2da9fa51",
-        "sha256": "0ydyhs7y8247dl6z06byd3w2v6gyk67shdrbg2n6mnp9q9pckgla",
+        "rev": "9cac45850280978a21a3eb67b15a18f34cbffa2d",
+        "sha256": "051bxrq9kaxnm1amvyzab0i0zvd97c79dim9gjxxikf600q30yk0",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/893b6b9f6c4ed0c7efdb84bd300a499a2da9fa51.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/9cac45850280978a21a3eb67b15a18f34cbffa2d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {