Gemfile in instana-0.12.1 vs Gemfile in instana-0.13.1

@@ -11,11 +11,17 @@
   # Frameworks
   gem "sinatra", '1.4.7'
   gem "cuba"
   gem "roda"
 
+  # HTTP Clients
+  gem 'rest-client'
+
   # Webservers
   gem "puma"
+
+  # HTTP Clients
+  gem 'excon'
 
   # Rack v2 dropped support for Ruby 2.2 and higher.
   if RUBY_VERSION < '2.2'
     gem 'rack', '< 2.0'
   end