diff --git a/default.nix b/default.nix
index fb4034d..965fe96 100644
--- a/default.nix
+++ b/default.nix
@@ -10,7 +10,7 @@ with pkgs; {
 		#inherit (nixosTests) hedgedoc jibri zfs;
 	};
 	dataPlatform = {
-		inherit (nixosTests) hadoop spark;
+		inherit (nixosTests) hadoop haproxy spark;
 		# https://github.com/NixOS/nixpkgs/pull/154004
 		#inherit (nixosTests) hadoop_3_2 hadoop2;
 	};