diff --git a/Gemfile.lock b/Gemfile.lock
index f5e73d9..0d037cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
     htmlcompressor (0.4.0)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)