diff --git a/Gemfile.lock b/Gemfile.lock
index 79bfbcb..3457265 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.6.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rouge (3.30.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)