diff --git a/Gemfile.lock b/Gemfile.lock
index 63c2ec2..17dde13 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,13 +50,14 @@ GEM
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
     parallel (1.19.1)
-    parser (2.7.1.2)
+    parser (2.7.1.3)
       ast (~> 2.4.0)
     psych (3.0.2)
     rack (2.2.2)
     rainbow (3.0.0)
     rake (10.5.0)
     rdoc (6.0.4)
+    regexp_parser (1.7.1)
     rexml (3.2.4)
     rspec (2.99.0)
       rspec-core (~> 2.99.0)
@@ -66,13 +67,17 @@ GEM
     rspec-expectations (2.99.2)
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.99.4)
-    rubocop (0.83.0)
+    rubocop (0.85.1)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.7)
       rexml
+      rubocop-ast (>= 0.0.3)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (0.0.3)
+      parser (>= 2.7.0.1)
     rubocop-checkstyle_formatter (0.4.0)
       rubocop (>= 0.35.1)
     ruby-progressbar (1.10.1)