diff --git a/default.nix b/default.nix
index b53b235b..227fd36b 100644
--- a/default.nix
+++ b/default.nix
@@ -39,6 +39,9 @@ with lib.my;
   system.configurationRevision = with inputs; mkIf (self ? rev) self.rev;
   system.stateVersion = "21.05";
 
+  # HACK Momentarily fix 'install-info: cannot allocate memory for gzip -d'
+  #      errors on latest unstable.
+  documentation.info.enable = false;
 
   ## Some reasonable, global defaults
   # This is here to appease 'nix flake check' for generic hosts with no