diff --git a/Gemfile.lock b/Gemfile.lock
index c36a5a5..7a99f8f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,7 +43,7 @@ GEM
     nokogiri (1.6.0)
       mini_portile (~> 0.5.0)
     posix-spawn (0.3.6)
-    rake (10.0.4)
+    rake (12.3.3)
     ruby-hmac (0.4.0)
     syntax (1.0.0)