diff --git a/Gemfile.lock b/Gemfile.lock
index 946b057..b369e92 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     json (2.3.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)