diff --git a/ruby-jekyll/Gemfile.lock b/ruby-jekyll/Gemfile.lock
index 3306347..4f7c168 100644
--- a/ruby-jekyll/Gemfile.lock
+++ b/ruby-jekyll/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.4)
+    rexml (3.4.2)
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)