diff --git a/helpers/ruby b/helpers/ruby
index 4bfa3f063..cc7c73f90 100644
--- a/helpers/ruby
+++ b/helpers/ruby
@@ -7,10 +7,10 @@ ruby_version_path="$rbenv_install_dir/versions"
 export RBENV_ROOT="$rbenv_install_dir"
 export rbenv_root="$rbenv_install_dir"
 
-ruby_dependencies=""
-build_ruby_dependencies="libjemalloc-dev curl build-essential libreadline-dev zlib1g-dev libsqlite3-dev libssl-dev libxml2-dev libxslt-dev autoconf automake bison libtool"
-pkg_dependencies="$pkg_dependencies $ruby_dependencies"
-build_pkg_dependencies="$build_pkg_dependencies $build_ruby_dependencies"
+if dpkg --compare-versions ${YNH_APP_PACKAGING_FORMAT:-0} lt 2; then
+	build_ruby_dependencies="libjemalloc-dev curl build-essential libreadline-dev zlib1g-dev libsqlite3-dev libssl-dev libxml2-dev libxslt-dev autoconf automake bison libtool"
+	build_pkg_dependencies="$build_pkg_dependencies $build_ruby_dependencies"
+fi
 
 # Load the version of Ruby for an app, and set variables.
 #