diff --git a/Gemfile.lock b/Gemfile.lock
index 783cf74..9ce6364 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.3.8)
-    ast (2.2.0)
+    ast (2.4.1)
     coderay (1.1.0)
     cookiejar (0.3.0)
     diff-lcs (1.2.5)
@@ -27,9 +27,9 @@ GEM
     multipart-post (2.0.0)
     octokit (4.2.0)
       sawyer (~> 0.6.0, >= 0.5.3)
-    parser (2.3.0.6)
-      ast (~> 2.2)
-    powerpack (0.1.1)
+    parser (2.7.1.4)
+      ast (~> 2.4.1)
+    powerpack (0.1.2)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -42,7 +42,9 @@ GEM
       eventmachine_httpserver
       http_parser.rb (~> 0.6.0)
       multi_json
-    rainbow (2.1.0)
+    rainbow (2.2.2)
+      rake
+    rake (13.0.1)
     rspec (3.4.0)
       rspec-core (~> 3.4.0)
       rspec-expectations (~> 3.4.0)
@@ -56,19 +58,19 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
-    rubocop (0.37.2)
-      parser (>= 2.3.0.4, < 3.0)
+    rubocop (0.48.1)
+      parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 0.3)
+      unicode-display_width (~> 1.0, >= 1.0.1)
     rubocop-rspec (1.3.1)
-    ruby-progressbar (1.7.5)
+    ruby-progressbar (1.10.1)
     sawyer (0.6.0)
       addressable (~> 2.3.5)
       faraday (~> 0.8, < 0.10)
     slop (3.6.0)
-    unicode-display_width (0.3.1)
+    unicode-display_width (1.7.0)
 
 PLATFORMS
   ruby