diff --git a/Build.PL b/Build.PL
index 6cf49a9a..ded87058 100644
--- a/Build.PL
+++ b/Build.PL
@@ -17,6 +17,7 @@ Module::Build->new(
   },
   requires => {
     'aliased' => '0',
+    'autovivification' => '0',
     'namespace::clean' => '0.24',
     'version' => '0.9902',
     'Algorithm::Cron' => '0.07',