diff --git a/Gemfile.lock b/Gemfile.lock
index 5799eb1..bdae77b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     nap (1.1.0)
     naturally (2.1.0)
     netrc (0.11.0)
-    rake (12.1.0)
+    rake (12.3.3)
     rouge (2.0.7)
     ruby-macho (1.1.0)
     thread_safe (0.3.6)