diff --git a/.rubocop.yml b/.rubocop.yml
index 74dd740..72d30d2 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -139,6 +139,9 @@ Style/SwapValues:
 Style/RedundantArgument:
   Enabled: true
 
+Style/HashExcept:
+  Enabled: true
+
 Layout/LineLength:
   Max: 140
 
@@ -170,6 +173,9 @@ Layout/EmptyLinesAroundAttributeAccessor:
 Layout/BeginEndAlignment:
   Enabled: true
 
+Layout/SpaceBeforeBrackets:
+  Enabled: true
+
 Lint/NonDeterministicRequireOrder:
   Enabled: false
 
@@ -266,6 +272,9 @@ Lint/UnmodifiedReduceAccumulator:
 Lint/UnexpectedBlockArity:
   Enabled: true
 
+Lint/AmbiguousAssignment:
+  Enabled: true
+
 Performance/AncestorsInclude:
   Enabled: true
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a49dca6..6141fdd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.2.2] - 2020.12.30
+
+### Changed
+
+- Updated gem development dependencies
+- Updated rubocop config
+
 ## [2.2.1] - 2020.12.06
 
 ### Fixed
diff --git a/Gemfile.lock b/Gemfile.lock
index f4a2ad1..ab4c9f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    truemail (2.2.1)
+    truemail (2.2.2)
       simpleidn (~> 0.1.1)
 
 GEM
@@ -17,7 +17,7 @@ GEM
     colorize (0.8.1)
     concurrent-ruby (1.1.7)
     diff-lcs (1.4.4)
-    docile (1.3.2)
+    docile (1.3.4)
     faker (2.15.1)
       i18n (>= 1.6, < 2)
     fasterer (0.8.3)
@@ -26,7 +26,7 @@ GEM
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     iniparse (1.5.0)
-    json (2.3.1)
+    json (2.5.1)
     json_matchers (0.11.1)
       json_schema
     json_schema (0.20.9)
@@ -44,30 +44,30 @@ GEM
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
-    psych (3.2.0)
+    psych (3.3.0)
     rainbow (3.0.0)
-    rake (13.0.1)
+    rake (13.0.3)
     reek (6.0.2)
       kwalify (~> 0.7.0)
       parser (>= 2.5.0.0, < 2.8, != 2.5.1.1)
       psych (~> 3.1)
       rainbow (>= 2.0, < 4.0)
-    regexp_parser (2.0.0)
+    regexp_parser (2.0.3)
     rexml (3.2.4)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)
       rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
+    rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
+    rspec-expectations (3.10.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
+    rspec-mocks (3.10.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    rubocop (1.5.2)
+    rspec-support (3.10.1)
+    rubocop (1.7.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)
@@ -81,7 +81,7 @@ GEM
     rubocop-performance (1.9.1)
       rubocop (>= 0.90.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rspec (2.0.1)
+    rubocop-rspec (2.1.0)
       rubocop (~> 1.0)
       rubocop-ast (>= 1.1.0)
     ruby-progressbar (1.10.1)
@@ -116,12 +116,12 @@ DEPENDENCIES
   json_matchers (~> 0.11.1)
   overcommit (~> 0.57.0)
   pry-byebug (~> 3.9)
-  rake (~> 13.0, >= 13.0.1)
+  rake (~> 13.0, >= 13.0.3)
   reek (~> 6.0, >= 6.0.2)
   rspec (~> 3.10)
-  rubocop (~> 1.5, >= 1.5.2)
+  rubocop (~> 1.7)
   rubocop-performance (~> 1.9, >= 1.9.1)
-  rubocop-rspec (~> 2.0, >= 2.0.1)
+  rubocop-rspec (~> 2.1)
   simplecov (~> 0.17.1)
   truemail!
   truemail-rspec (~> 0.3.3)
diff --git a/lib/truemail/version.rb b/lib/truemail/version.rb
index d2ed5b2..9cb3b27 100644
--- a/lib/truemail/version.rb
+++ b/lib/truemail/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Truemail
-  VERSION = '2.2.1'
+  VERSION = '2.2.2'
 end
diff --git a/spec/truemail/validator_spec.rb b/spec/truemail/validator_spec.rb
index eba483e..c4e35df 100644
--- a/spec/truemail/validator_spec.rb
+++ b/spec/truemail/validator_spec.rb
@@ -114,7 +114,7 @@
 
       describe 'works with logs' do
         context 'when logger configured' do
-          let(:logger_instance) { true }
+          let(:logger_instance) { instance_double('LoggerInstance') }
 
           it 'pushes logs' do
             expect(logger_instance).to receive(:push).with(validator_instance)
diff --git a/truemail.gemspec b/truemail.gemspec
index b8dd0e0..bfc4e9a 100644
--- a/truemail.gemspec
+++ b/truemail.gemspec
@@ -40,12 +40,12 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'json_matchers', '~> 0.11.1'
   spec.add_development_dependency 'overcommit', '~> 0.57.0'
   spec.add_development_dependency 'pry-byebug', '~> 3.9'
-  spec.add_development_dependency 'rake', '~> 13.0', '>= 13.0.1'
+  spec.add_development_dependency 'rake', '~> 13.0', '>= 13.0.3'
   spec.add_development_dependency 'reek', '~> 6.0', '>= 6.0.2'
   spec.add_development_dependency 'rspec', '~> 3.10'
-  spec.add_development_dependency 'rubocop', '~> 1.5', '>= 1.5.2'
+  spec.add_development_dependency 'rubocop', '~> 1.7'
   spec.add_development_dependency 'rubocop-performance', '~> 1.9', '>= 1.9.1'
-  spec.add_development_dependency 'rubocop-rspec', '~> 2.0', '>= 2.0.1'
+  spec.add_development_dependency 'rubocop-rspec', '~> 2.1'
   spec.add_development_dependency 'simplecov', '~> 0.17.1'
   spec.add_development_dependency 'truemail-rspec', '~> 0.3.3'
 end