diff --git a/Gemfile.lock b/Gemfile.lock
index 865c3c6..50ff0d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -214,6 +214,7 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    psych (3.1.0)
     public_suffix (3.0.3)
     puma (3.12.0)
     rack (2.0.6)
@@ -274,11 +275,12 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubocop (0.63.0)
+    rubocop (0.65.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
       powerpack (~> 0.1)
+      psych (>= 3.1.0)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.4.0)