diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 04187d5..50fe7a4 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
       sassc (> 2.0.1, < 3.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)