diff --git a/Gemfile b/Gemfile
index 82c9b37..4edee53 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,5 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in lita-gitter.gemspec
 gemspec
+
+gem 'coveralls', require: false
diff --git a/lita-gitter.gemspec b/lita-gitter.gemspec
index ff7db3e..f406711 100644
--- a/lita-gitter.gemspec
+++ b/lita-gitter.gemspec
@@ -24,12 +24,11 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'bundler', '~> 1.7'
   spec.add_development_dependency 'rake', '~> 10.0'
-  spec.add_development_dependency 'github_changelog_generator', '~> 1.6.1'
-  spec.add_development_dependency 'rubocop', '~> 0.31.0'
-  spec.add_development_dependency 'rspec', '~> 3.3.0'
-  spec.add_development_dependency 'simplecov', '~> 0.10.0'
-  spec.add_development_dependency 'coveralls'
+  spec.add_development_dependency 'github_changelog_generator', '~> 1.6'
+  spec.add_development_dependency 'rubocop', '~> 0.31'
+  spec.add_development_dependency 'rspec', '~> 3.3'
+  spec.add_development_dependency 'simplecov', '~> 0.10'
 
-  spec.add_runtime_dependency 'lita', '>= 4.4'
+  spec.add_runtime_dependency 'lita', '~> 4.4'
   spec.add_runtime_dependency 'em-http-request', '~> 1.1'
 end