diff --git a/nix/sources.json b/nix/sources.json
index 7ef8e02..40ed822 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1e519ede6ebcdd702040d617b66ad997f01b5b85",
-        "sha256": "1h7013q61p7mkk45xlsjryxyf4x6z66kcxya1xgmx04aywvcsfwf",
+        "rev": "99f8282a65821f148df596ba389606e732eaf99d",
+        "sha256": "1mm4j1vjs875yzv03plng43ivny0qm09hxpn0if8g9vc849rwc2g",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/1e519ede6ebcdd702040d617b66ad997f01b5b85.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/99f8282a65821f148df596ba389606e732eaf99d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }