diff --git a/modules/swagger-codegen/src/main/resources/rails5/Gemfile b/modules/swagger-codegen/src/main/resources/rails5/Gemfile
index b553bf7355d8..a46942406d17 100644
--- a/modules/swagger-codegen/src/main/resources/rails5/Gemfile
+++ b/modules/swagger-codegen/src/main/resources/rails5/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '>= 5.0.0.racecar1', '< 5.1'
+gem 'rails', '~> 5.0.0'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.3.18', '< 0.5'
 # Use Puma as the app server
diff --git a/samples/server/petstore/rails5/.swagger-codegen/VERSION b/samples/server/petstore/rails5/.swagger-codegen/VERSION
index 7fea99011a6f..855ff9501eb8 100644
--- a/samples/server/petstore/rails5/.swagger-codegen/VERSION
+++ b/samples/server/petstore/rails5/.swagger-codegen/VERSION
@@ -1 +1 @@
-2.2.3-SNAPSHOT
\ No newline at end of file
+2.4.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rails5/Gemfile b/samples/server/petstore/rails5/Gemfile
index b553bf7355d8..a46942406d17 100644
--- a/samples/server/petstore/rails5/Gemfile
+++ b/samples/server/petstore/rails5/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '>= 5.0.0.racecar1', '< 5.1'
+gem 'rails', '~> 5.0.0'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.3.18', '< 0.5'
 # Use Puma as the app server