diff --git a/nix/sources.json b/nix/sources.json
index 3a10443d..92ade3da 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -16,8 +16,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre925418.3146c6aa9995/nixexprs.tar.xz",
-      "hash": "sha256-zvxtwlM8ZlulmZKyYCQAPpkm5dngSEnnHjmjV7Teloc="
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre927565.13868c071cc7/nixexprs.tar.xz",
+      "hash": "sha256-wufp5c0nWh/87f9eK7xy1eZXms5zd4yl6S4SR+LfA08="
     }
   },
   "version": 7