diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index c6c2d21..eef3944 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     netrc (0.11.0)
     nkf (0.2.0)
     public_suffix (4.0.7)
-    rexml (3.3.4)
+    rexml (3.3.6)
       strscan
     ruby-macho (2.5.1)
     strscan (3.1.0)