diff --git a/Gemfile.lock b/Gemfile.lock
index 202ed2f..150176f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rake (12.3.1)
+    rake (12.3.3)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)