diff --git a/Gemfile.lock b/Gemfile.lock
index 95d3650..35e285d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,6 +10,7 @@ PATH
     rswag-specs (1.0.0)
       json-schema (~> 2.2)
       rails (>= 3.1, < 5.1)
+      rspec-rails (>= 2.14, < 4)
 
 PATH
   remote: ./rswag-ui
diff --git a/rswag-api/rswag-api.gemspec b/rswag-api/rswag-api.gemspec
index 71c6981..5275ea2 100644
--- a/rswag-api/rswag-api.gemspec
+++ b/rswag-api/rswag-api.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.description = "Open up your API to the phenomenal Swagger ecosystem by exposing Swagger files, that describe your service, as JSON endpoints"
   s.license     = "MIT"
 
-  s.files = Dir["{app,config,db,lib}/**/*"] + ["MIT-LICENSE", "Rakefile" ]
+  s.files = Dir["{lib}/**/*"] + ["MIT-LICENSE", "Rakefile" ]
 
   s.add_dependency "rails", ">= 3.1", "< 5.1" 
 end
diff --git a/rswag-specs/rswag-specs.gemspec b/rswag-specs/rswag-specs.gemspec
index 770a7fc..6bfd38b 100644
--- a/rswag-specs/rswag-specs.gemspec
+++ b/rswag-specs/rswag-specs.gemspec
@@ -14,9 +14,9 @@ Gem::Specification.new do |s|
   s.description = "Simplify API integration testing with a succinct rspec DSL and generate Swagger files directly from your rspecs"
   s.license     = "MIT"
 
-  s.files = Dir["{app,config,db,lib}/**/*"] + ["MIT-LICENSE", "Rakefile" ]
+  s.files = Dir["{lib}/**/*"] + ["MIT-LICENSE", "Rakefile" ]
 
   s.add_dependency "rails", ">= 3.1", "< 5.1" 
   s.add_dependency 'json-schema', '~> 2.2'
-  s.add_development_dependency 'rspec-rails', '>= 2.14', '< 4'
+  s.add_dependency 'rspec-rails', '>= 2.14', '< 4'
 end
diff --git a/rswag-ui/rswag-ui.gemspec b/rswag-ui/rswag-ui.gemspec
index ea911d0..2634542 100644
--- a/rswag-ui/rswag-ui.gemspec
+++ b/rswag-ui/rswag-ui.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.description = "Expose beautiful API documentation, that's powered by Swagger JSON endpoints, including a UI to explore and test operations"
   s.license     = "MIT"
 
-  s.files = Dir["{app,config,db,lib}/**/*"] + ["MIT-LICENSE", "Rakefile" ]
+  s.files = Dir["{app,config,lib,vendor}/**/*"] + ["MIT-LICENSE", "Rakefile" ]
 
   s.add_dependency "rails", ">= 3.1", "< 5.1" 
 end
diff --git a/rswag/rswag.gemspec b/rswag/rswag.gemspec
index 5518b53..5ebcb7a 100644
--- a/rswag/rswag.gemspec
+++ b/rswag/rswag.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.description = "Generate beautiful API documentation, including a UI to explore and test operations, directly from your rspec integration tests"
   s.license     = "MIT"
 
-  s.files = Dir["{app,config,db,lib}/**/*"] + [ "MIT-LICENSE" ]
+  s.files = Dir["{lib}/**/*"] + [ "MIT-LICENSE" ]
 
   s.add_dependency 'rswag-specs', Rswag::VERSION
   s.add_dependency 'rswag-api', Rswag::VERSION