diff --git a/Gemfile.lock b/Gemfile.lock
index dd2c028..2a50f96 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -361,4 +361,4 @@ RUBY VERSION
    ruby 2.3.1p112
 
 BUNDLED WITH
-   1.13.3
+   1.13.4