diff --git a/ruby_tapas/SafeProxy/Gemfile.lock b/ruby_tapas/SafeProxy/Gemfile.lock
index 4d8c1db..e21d288 100644
--- a/ruby_tapas/SafeProxy/Gemfile.lock
+++ b/ruby_tapas/SafeProxy/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     bundle (0.0.1)
       bundler
     diff-lcs (1.2.5)
-    rake (11.2.2)
+    rake (12.3.3)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)