diff --git a/ops/nixos/ixvm-fra01/default.nix b/ops/nixos/ixvm-fra01/default.nix
index 1fc35261e7..03b09bbe44 100644
--- a/ops/nixos/ixvm-fra01/default.nix
+++ b/ops/nixos/ixvm-fra01/default.nix
@@ -106,6 +106,7 @@ in lib.fix (self: {
     vim
     mercurial
     rxvt_unicode.terminfo
+    rebuilder
   ];
 
   programs.mtr.enable = true;