diff --git a/Gemfile b/Gemfile
index 8b44da3d9..7a3d8ccf9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -66,7 +66,7 @@ gem "sprockets-rails",        "3.2.1"
 # Database
 
 group :mysql, optional: true do
-  gem "mysql2", "0.5.0"
+  gem "mysql2", "0.5.2"
 end
 group :postgresql, optional: true do
   gem "pg",     "1.0.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5da7e4de5..dbe9dd9b4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -392,7 +392,7 @@ GEM
     multi_test (0.1.2)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
-    mysql2 (0.5.0)
+    mysql2 (0.5.2)
     naught (1.1.0)
     nenv (0.3.0)
     nio4r (2.3.0)
@@ -819,7 +819,7 @@ DEPENDENCIES
   mini_magick (= 4.8.0)
   minitest
   mobile-fu (= 1.4.0)
-  mysql2 (= 0.5.0)
+  mysql2 (= 0.5.2)
   nokogiri (= 1.8.5)
   omniauth (= 1.8.1)
   omniauth-tumblr (= 1.2)