diff --git a/Gemfile.lock b/Gemfile.lock
index ea2edb8..8a4c96a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     multi_json (1.12.2)
-    mysql2 (0.4.10)
+    mysql2 (0.5.2)
     nio4r (2.3.1)
     nokogiri (1.10.1)
       mini_portile2 (~> 2.4.0)