diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index 16adc400..b55e80d6 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
     netrc (0.11.0)
     nkf (0.2.0)
     public_suffix (4.0.7)
-    rexml (3.4.1)
+    rexml (3.4.2)
     ruby-macho (2.5.1)
     securerandom (0.3.2)
     typhoeus (1.4.1)