diff --git a/Gemfile.lock b/Gemfile.lock
index fa79278..a4228c9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -192,16 +192,16 @@ GEM
     regexp_parser (2.1.1)
     rexml (3.2.5)
     rouge (3.26.1)
-    rubocop (1.21.0)
+    rubocop (1.22.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.9.1, < 2.0)
+      rubocop-ast (>= 1.12.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.11.0)
+    rubocop-ast (1.12.0)
       parser (>= 3.0.1.1)
     ruby-enum (0.8.0)
       i18n