diff --git a/nix/sources.json b/nix/sources.json
index 9ddef0a8..2f14a3fd 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -79,10 +79,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ed02c2ba0384b2800db41333045a6fb781f12aac",
-        "sha256": "040rawxqbpblxpsq73qxlk25my2cm0g3gx1pksiacsj15q5fi84q",
+        "rev": "47cd6702934434dd02bc53a67dbce3e5493e33a2",
+        "sha256": "1rvp9gx7n0gppc86bcysaybw79zl3y8yninsgz6rawdjprzvg7y6",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/ed02c2ba0384b2800db41333045a6fb781f12aac.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/47cd6702934434dd02bc53a67dbce3e5493e33a2.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixos-hardware": {