Gemfile in omnibus-7.0.12 vs Gemfile in omnibus-7.0.13

- old
+ new

@@ -14,6 +14,7 @@
   gem "pry-stack_explorer", "~> 0.4.0" # 0.4 allows us to still test Ruby 2.5
 end
 
 if Gem::Version.new(RUBY_VERSION) < Gem::Version.new("2.5")
   gem "ohai", "<15"
+  gem "activesupport", "~> 5.0"
 end