diff --git a/Gemfile.lock b/Gemfile.lock
index 37a425f..74931e8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       coderay (~> 1.0)
       method_source (~> 0.8)
       slop (~> 3.4)
-    rake (10.1.1)
+    rake (12.3.3)
     ruby-stemmer (0.9.3)
     slop (3.4.6)
     systemu (2.5.2)