Gemfile in graphql_preload_queries-0.2.0 vs Gemfile in graphql_preload_queries-0.2.1

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
+ruby '2.6.5'
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 # Declare your gem's dependencies in graphql_preload_queries.gemspec.
 # Bundler will treat runtime dependencies like base dependencies, and