diff --git a/Gemfile.lock b/Gemfile.lock
index fcd7de4..05c022d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -192,7 +192,7 @@ GEM
     regexp_parser (2.1.1)
     rexml (3.2.5)
     rouge (3.26.0)
-    rubocop (1.19.1)
+    rubocop (1.20.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -201,7 +201,7 @@ GEM
       rubocop-ast (>= 1.9.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.10.0)
+    rubocop-ast (1.11.0)
       parser (>= 3.0.1.1)
     ruby-enum (0.8.0)
       i18n