diff --git a/Gemfile.lock b/Gemfile.lock
index d2325c8..fd6614c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
     e2mmap (0.1.0)
     i18n (1.8.11)
       concurrent-ruby (~> 1.0)
-    io-console (0.5.9)
+    io-console (0.5.11)
     jaro_winkler (1.5.4)
     kramdown (2.3.1)
       rexml