Fix mysql2 build

mysql 0.3.x is forced here activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb

1 files changed, 1 insertions, 1 deletions

diff --git a/Gemfile b/Gemfile
index 49ec628e04..2854a809e0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -71,7 +71,7 @@ platforms :ruby do
       gem 'pg', '>= 0.11.0'
     end
     gem 'mysql', '>= 2.8.1'
-    gem 'mysql2', '>= 0.3.10'
+    gem 'mysql2', '~> 0.3.10'
   end
 end