diff --git a/Gemfile.lock b/Gemfile.lock
index 48ed387..b41e2c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
     jaro_winkler (1.5.4)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)