diff --git a/Gemfile.lock b/Gemfile.lock
index d00d221..f6eb26b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     public_suffix (2.0.5)
-    rake (12.0.0)
+    rake (12.3.3)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)