diff --git a/flake.nix b/flake.nix
index 1913900..951eef5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "tlater.net host configuration";
 
   inputs = {
-    nixpkgs.url = "https://channels.nixos.org/nixos-25.05/nixexprs.tar.xz";
+    nixpkgs.url = "https://channels.nixos.org/nixos-25.05-small/nixexprs.tar.xz";
     nixpkgs-unstable.url = "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz";
 
     ## Nix/OS utilities