diff --git a/Gemfile b/Gemfile
index b78877cc1..4e02a7c83 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,11 +6,12 @@ if !ENV['TRAVIS']
   gem 'yard',   require: false
 end
 
-gem 'lotus-utils',      '~> 0.3', '>= 0.3.0.dev', require: false, github: 'lotus/utils',      branch: '0.3.x'
-gem 'lotus-router',               '>= 0.2.0.dev', require: false, github: 'lotus/router',     branch: '0.2.x'
-gem 'lotus-controller',           '>= 0.3.0.dev', require: false, github: 'lotus/controller', branch: '0.3.x'
-gem 'lotus-view',                 '>= 0.3.0.dev', require: false, github: 'lotus/view',       branch: '0.3.x'
-gem 'lotus-model',                '>= 0.2.0.dev', require: false, github: 'lotus/model',      branch: '0.2.x'
+gem 'lotus-utils',      '~> 0.3', '>= 0.3.2', require: false, github: 'lotus/utils',       branch: '0.3.x'
+gem 'lotus-router',               '>= 0.2.0', require: false, github: 'lotus/router',      branch: '0.2.x'
+gem 'lotus-validations',          '>= 0.2.1', require: false, github: 'lotus/validations', branch: '0.2.x'
+gem 'lotus-controller',           '>= 0.3.0', require: false, github: 'lotus/controller',  branch: '0.3.x'
+gem 'lotus-view',                 '>= 0.3.0', require: false, github: 'lotus/view',        branch: '0.3.x'
+gem 'lotus-model',                '>= 0.2.0', require: false, github: 'lotus/model',       branch: '0.2.x'
 gem 'sqlite3'
 
 gem 'simplecov', require: false
diff --git a/lotusrb.gemspec b/lotusrb.gemspec
index adef8ab60..12e1267d2 100644
--- a/lotusrb.gemspec
+++ b/lotusrb.gemspec
@@ -19,10 +19,10 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
   spec.required_ruby_version = '>= 2.0.0'
 
-  spec.add_dependency 'lotus-utils',      '~> 0.3', '>= 0.3.0.dev'
-  spec.add_dependency 'lotus-router',               '>= 0.2.0.dev'
-  spec.add_dependency 'lotus-controller',           '>= 0.3.0.dev'
-  spec.add_dependency 'lotus-view',                 '>= 0.3.0.dev'
+  spec.add_dependency 'lotus-utils',      '~> 0.3', '>= 0.3.2'
+  spec.add_dependency 'lotus-router',               '>= 0.2.0'
+  spec.add_dependency 'lotus-controller',           '>= 0.3.0'
+  spec.add_dependency 'lotus-view',                 '>= 0.3.0'
   spec.add_dependency 'shotgun',          '~> 0.9'
   spec.add_dependency 'dotenv',           '~> 1.0'
   spec.add_dependency 'thor',             '~> 0.19'