diff --git a/Gemfile.lock b/Gemfile.lock
index c32f6e2..b1fdb80 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.6)
+    rexml (3.3.9)
       strscan
     rouge (3.27.0)
     safe_yaml (1.0.5)