diff --git a/Gemfile b/Gemfile
index 07faf6fb..cd8aa9e0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,13 +1,3 @@
 source 'https://rubygems.org'
 
-group :development do
-  gem "rspec", ">= 2.8.0"
-  gem 'rspec-rails'
-  gem 'i18n-spec', "~> 0.6.0"
-  gem 'localeapp'
-  gem 'railties'
-  gem 'activemodel'
-  gem 'omniauth-twitter'
-end
-
-gem 'devise', '>= 4.9.0'
+gemspec
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 38cf5d7f..1400d16d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,9 @@
+PATH
+  remote: .
+  specs:
+    devise-i18n (1.12.0)
+      devise (>= 4.9.0)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -178,7 +184,7 @@ PLATFORMS
 
 DEPENDENCIES
   activemodel
-  devise (>= 4.9.0)
+  devise-i18n!
   i18n-spec (~> 0.6.0)
   localeapp
   omniauth-twitter
diff --git a/devise-i18n.gemspec b/devise-i18n.gemspec
index 6492d1fb..2cc68e18 100644
--- a/devise-i18n.gemspec
+++ b/devise-i18n.gemspec
@@ -24,7 +24,6 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency(%q<devise>.freeze, [">= 4.9.0"])
   s.add_development_dependency(%q<rspec>.freeze, [">= 2.8.0"])
   s.add_development_dependency(%q<rspec-rails>.freeze, [">= 0"])
-  s.add_development_dependency(%q<jeweler>.freeze, [">= 0"])
   s.add_development_dependency(%q<i18n-spec>.freeze, ["~> 0.6.0"])
   s.add_development_dependency(%q<localeapp>.freeze, [">= 0"])
   s.add_development_dependency(%q<railties>.freeze, [">= 0"])