diff --git a/Gemfile.lock b/Gemfile.lock
index ff8fad9..93d3775 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.3.1)
-    rake (0.9.2.2)
+    rake (12.3.3)
     slop (3.3.2)
 
 PLATFORMS