diff --git a/Gemfile.lock b/Gemfile.lock
index 8f45f4e..097d162 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rouge (4.1.0)
     safe_yaml (1.0.5)
     sass-embedded (1.58.3-x86_64-darwin)