diff --git a/flake.nix b/flake.nix
index 1581ea3..dac72f8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,8 +6,8 @@
       url = "github:edolstra/flake-compat";
       flake = false;
     };
-    nixpkgs.url = "flake:nixpkgs/nixos-unstable";
-    nixpkgs-24_11.url = "flake:nixpkgs/nixos-24.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs-24_11.url = "github:NixOS/nixpkgs/nixos-24.11";
     blobs = {
       url = "gitlab:simple-nixos-mailserver/blobs";
       flake = false;