diff --git a/Gemfile.lock b/Gemfile.lock
index 56b543c2..580f0d56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
       thor (~> 0.18)
     rainbow (2.2.2)
       rake
-    rake (12.3.1)
+    rake (13.0.6)
     rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)