diff --git a/examples/ruby/Gemfile.lock b/examples/ruby/Gemfile.lock
index aac90192..ac114610 100644
--- a/examples/ruby/Gemfile.lock
+++ b/examples/ruby/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rack (1.5.2)
-    rack-protection (1.5.3)
+    rack (1.6.13)
+    rack-protection (1.5.5)
       rack
     sinatra (1.4.5)
       rack (~> 1.4)