diff --git a/Gemfile.lock b/Gemfile.lock
index 9a29fd43..89b0502b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    io-event (1.7.4)
+    io-event (1.7.5)
     jmespath (1.6.2)
     json (2.9.0)
     kramdown (2.5.1)