diff --git a/Gemfile b/Gemfile
index f397f7a..8b56a57 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rake', '~> 13.0.6'
 gem 'climate_control', '~> 1.0.1'
 gem 'colorize', '~> 0.8.1'
 gem 'concurrent-ruby', '~> 1.1.9'
-gem 'diffy', '~> 3.4.0'
+gem 'diffy', '~> 3.4.1'
 gem 'erubis', '~> 2.7.0'
 gem 'netaddr', '~> 2.0.4'
 gem 'rspec-core', '~> 3.10.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index d3aba06..da69dea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,6 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.4.2)
     aws-eventstream (1.1.1)
     aws-sdk (2.11.180)
       aws-sdk-resources (= 2.11.180)
@@ -17,22 +16,16 @@ GEM
     colorize (0.8.1)
     concurrent-ruby (1.1.9)
     diff-lcs (1.4.4)
-    diffy (3.4.0)
+    diffy (3.4.1)
     docile (1.4.0)
     erubis (2.7.0)
     jmespath (1.4.0)
     method_source (1.0.0)
     netaddr (2.0.4)
-    parallel (1.20.1)
-    parser (3.0.2.0)
-      ast (~> 2.4.1)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rainbow (3.0.0)
     rake (13.0.6)
-    regexp_parser (2.1.1)
-    rexml (3.2.5)
     rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
     rspec-expectations (3.10.1)
@@ -42,25 +35,12 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.2)
-    rubocop (1.18.4)
-      parallel (~> 1.10)
-      parser (>= 3.0.0.0)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.8.0, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.8.0)
-      parser (>= 3.0.1.1)
-    ruby-progressbar (1.11.0)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.3)
-    unicode-display_width (2.0.0)
 
 PLATFORMS
   ruby
@@ -71,7 +51,7 @@ DEPENDENCIES
   climate_control (~> 1.0.1)
   colorize (~> 0.8.1)
   concurrent-ruby (~> 1.1.9)
-  diffy (~> 3.4.0)
+  diffy (~> 3.4.1)
   erubis (~> 2.7.0)
   netaddr (~> 2.0.4)
   pry
@@ -79,7 +59,6 @@ DEPENDENCIES
   rspec-core (~> 3.10.1)
   rspec-expectations (~> 3.10.1)
   rspec-mocks (~> 3.10.2)
-  rubocop
   simplecov
 
 BUNDLED WITH