Gemfile in opentracing-instrumentation-0.1.18 vs Gemfile in opentracing-instrumentation-0.2.0

@@ -5,15 +5,15 @@
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in opentracing-instrumentation.gemspec
 gemspec
 
-gem 'test-tracer',
-    github: 'michal-granec/ruby-test-tracer',
-    branch: 'update_opentracing_dependencies'
-gem 'tracing-matchers',
-    github: 'c0va23/ruby-tracing-matchers',
-    branch: 'feature/michal-granec/ruby-test-tracer-compatibility'
-
 group :development do
+  gem 'test-tracer',
+      github: 'michal-granec/ruby-test-tracer',
+      branch: 'update_opentracing_dependencies'
+  gem 'tracing-matchers',
+      github: 'c0va23/ruby-tracing-matchers',
+      branch: 'feature/michal-granec/ruby-test-tracer-compatibility'
+
   gem 'pry-byebug', '~> 3.8'
 end