diff --git a/nix/sources.json b/nix/sources.json
index 0afbc4c..766ecc5 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "afa9ca61924f05aacfe495a7ad0fd84709d236cc",
-        "sha256": "14346241lnfd93mfhxmimn87y3fyyi6a1s5ab2jw79qzk1xhi4dr",
+        "rev": "41aa2272feb21b1300b9f99de3f8371a6ddd8986",
+        "sha256": "0qj3x0jcsz3lbia93a06dzvp2psayxxqxly62kjmsywvsm0picby",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/afa9ca61924f05aacfe495a7ad0fd84709d236cc.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/41aa2272feb21b1300b9f99de3f8371a6ddd8986.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "stack2nix": {