diff --git a/Gemfile b/Gemfile
index 827d765..1a34c45 100644
--- a/Gemfile
+++ b/Gemfile
@@ -71,5 +71,5 @@ group :development do
 end
 
 group :production do
-  gem 'mysql2', '~> 0.3.0' # Database
+  gem 'mysql2'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 2bb2b88..13ddcb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -244,7 +244,7 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-datatables-rails (~> 3.3.0)
   jquery-rails
-  mysql2 (~> 0.3.0)
+  mysql2
   omniauth-oauth2
   purecss-rails
   rails (= 4.2.4)