diff --git a/nix/sources.json b/nix/sources.json
index aa8e4fd..3fd1f43 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -42,10 +42,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "9a3e34ae60130c63b93809eecf555b0d796f001c",
-        "sha256": "0azkaa2q4pp62icfs56s1hsmzpyzqafaw24v365n7qv9xffbk044",
+        "rev": "51d115ac89d676345b05a0694b23bd2691bf708a",
+        "sha256": "1gfjaa25nq4vprs13h30wasjxh79i67jj28v54lkj4ilqjhgh2rs",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/9a3e34ae60130c63b93809eecf555b0d796f001c.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/51d115ac89d676345b05a0694b23bd2691bf708a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }