diff --git a/Gemfile.lock b/Gemfile.lock
index a0162ccb974..e8071afb43f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
     open4 (1.3.4)
     public_suffix (4.0.7)
     rchardet (1.8.0)
-    rexml (3.3.4)
+    rexml (3.3.6)
       strscan
     ruby-macho (2.5.1)
     ruby2_keywords (0.0.5)