diff --git a/manifest.toml b/manifest.toml
index aab0bc3..54d66e5 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -113,6 +113,7 @@ ram.runtime = "50M"
     main.exposed = "UDP"
 
     [resources.permissions]
+    main.allowed = "visitors"
 
     [resources.apt]
     packages = "build-essential, libirrlicht-dev, cmake, libbz2-dev, libpng-dev, libjpeg-dev, libxxf86vm-dev, libgl1-mesa-dev, libsqlite3-dev, libogg-dev, libvorbis-dev, libopenal-dev, libcurl4-dev, libfreetype6-dev, zlib1g-dev, libgmp-dev, libjsoncpp-dev, libluajit-5.1-dev, libncurses-dev, libzstd-dev"