diff --git a/src/Gemfile.lock b/src/Gemfile.lock
index 981c63d..24db1bf 100644
--- a/src/Gemfile.lock
+++ b/src/Gemfile.lock
@@ -107,7 +107,7 @@ GEM
       domain_name (~> 0.5)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
-    kramdown (2.3.1)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)