diff --git a/Gemfile.lock b/Gemfile.lock
index 5017455..c6e5252 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     http_parser.rb (0.6.0)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)