diff --git a/Gemfile.lock b/Gemfile.lock
index 8e4b05c..c10f4e8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     hitimes (1.2.1)
     hitimes (1.2.1-java)
     path (2.0.1)
-    rake (10.0.4)
+    rake (12.3.3)
     rspec (2.13.0)
       rspec-core (~> 2.13.0)
       rspec-expectations (~> 2.13.0)