diff --git a/ruby-2.2-slim-dev/Gemfile.lock b/ruby-2.2-slim-dev/Gemfile.lock
index c508333..341547e 100644
--- a/ruby-2.2-slim-dev/Gemfile.lock
+++ b/ruby-2.2-slim-dev/Gemfile.lock
@@ -511,7 +511,7 @@ GEM
       thor (>= 0.18.1, < 2.0)
     rainbow (2.2.2)
       rake
-    rake (10.4.2)
+    rake (13.0.1)
     ransack (1.6.6)
       actionpack (>= 3.0)
       activerecord (>= 3.0)