diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 8da0a3e..b8eb7ee 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.0)
+    kramdown (2.3.1)
       rexml
     liquid (4.0.3)
     listen (3.2.1)