diff --git a/ruby-jekyll/Gemfile.lock b/ruby-jekyll/Gemfile.lock
index 61d8bdb..3ba2fb6 100644
--- a/ruby-jekyll/Gemfile.lock
+++ b/ruby-jekyll/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
       jekyll (>= 3.7, < 5.0)
     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)
@@ -76,7 +76,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.4.2)
+    rexml (3.4.4)
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)