diff --git a/nix/sources.json b/nix/sources.json
index 9908223..e61a158 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d3c42f187194c26d9f0309a8ecc469d6c878ce33",
-        "sha256": "0bmnxsn9r4qfslg4mahsl9y9719ykifbazpxxn1fqf47zbbanxkh",
+        "rev": "d70bd19e0a38ad4790d3913bf08fcbfc9eeca507",
+        "sha256": "1968wcqnb5gb947js0kv17hy15nc5817ra66nj33nc532d342ig0",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/d3c42f187194c26d9f0309a8ecc469d6c878ce33.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/d70bd19e0a38ad4790d3913bf08fcbfc9eeca507.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }