diff --git a/Gemfile.lock b/Gemfile.lock
index ad3b54a..158b014 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
jekyll (>= 1.5.1)
trollop (= 2.9.9)
json (2.3.1)
- kramdown (2.3.0)
+ kramdown (2.3.1)
rexml
kramdown-parser-gfm (1.1.0)
kramdown (~> 2.0)