diff --git a/Gemfile.lock b/Gemfile.lock
index 25eeb8a..0e83210 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,27 +1,32 @@
 GEM
+  remote: https://rubygems.org/
   specs:
-    ast (2.4.0)
-    jaro_winkler (1.5.4)
-    parallel (1.19.1)
-    parser (2.7.1.2)
-      ast (~> 2.4.0)
+    ast (2.4.2)
+    parallel (1.20.1)
+    parser (3.0.1.0)
+      ast (~> 2.4.1)
     rainbow (3.0.0)
-    rexml (3.2.4)
-    rubocop (0.82.0)
-      jaro_winkler (~> 1.5.1)
+    regexp_parser (2.1.1)
+    rexml (3.2.5)
+    rubocop (1.13.0)
       parallel (~> 1.10)
-      parser (>= 2.7.0.1)
+      parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
       rexml
+      rubocop-ast (>= 1.2.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-discourse (2.1.2)
-      rubocop (>= 0.69.0)
-      rubocop-rspec (>= 1.39.0)
-    rubocop-rspec (1.39.0)
-      rubocop (>= 0.68.1)
-    ruby-progressbar (1.10.1)
-    unicode-display_width (1.7.0)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.4.1)
+      parser (>= 2.7.1.5)
+    rubocop-discourse (2.4.1)
+      rubocop (>= 1.1.0)
+      rubocop-rspec (>= 2.0.0)
+    rubocop-rspec (2.2.0)
+      rubocop (~> 1.0)
+      rubocop-ast (>= 1.1.0)
+    ruby-progressbar (1.11.0)
+    unicode-display_width (2.0.0)
 
 PLATFORMS
   ruby