diff --git a/demos/jekyll-demo/Gemfile.lock b/demos/jekyll-demo/Gemfile.lock
index 8b039b5..b1a47d7 100644
--- a/demos/jekyll-demo/Gemfile.lock
+++ b/demos/jekyll-demo/Gemfile.lock
@@ -79,8 +79,8 @@ GEM
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rouge (3.28.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)