diff --git a/nix/sources.json b/nix/sources.json
index 646920c..a9ee598 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f677051b8dc0b5e2a9348941c99eea8c4b0ff28f",
-        "sha256": "18zycb8zxnz20g683fgbvckckr7rmq7c1gf96c06fp8pmaak0akx",
+        "rev": "37bd39839acf99c5b738319f42478296f827f274",
+        "sha256": "1w7xby2paqgn4w1pkv0hr44xywlidmw3nq42naq6g3i3cni33hj3",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/f677051b8dc0b5e2a9348941c99eea8c4b0ff28f.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/37bd39839acf99c5b738319f42478296f827f274.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }