diff --git a/Gemfile.lock b/Gemfile.lock
index ec34443..164a048 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     powerpack (0.1.1)
     rainbow (2.2.2)
       rake
-    rake (12.0.0)
+    rake (12.3.3)
     rmagick (2.16.0)
     rubocop (0.50.0)
       parallel (~> 1.10)