diff --git a/Gemfile.lock b/Gemfile.lock
index 703c69b..6592746 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     open4 (1.3.4)
     public_suffix (5.0.4)
     rchardet (1.8.0)
-    rexml (3.2.6)
+    rexml (3.4.2)
     ruby-ll (2.1.3)
       ansi
       ast