diff --git a/wayang-docs/src/main/resources/Gemfile.lock b/wayang-docs/src/main/resources/Gemfile.lock
index 6c0beb93b..d56ccc414 100644
--- a/wayang-docs/src/main/resources/Gemfile.lock
+++ b/wayang-docs/src/main/resources/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)