diff --git a/Gemfile.lock b/Gemfile.lock
index f49bfca..163b018 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)