diff --git a/.rubocop.yml b/.rubocop.yml
index 2815b6e48..6e91d3296 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -35,12 +35,7 @@ Style/IfUnlessModifier:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#if-as-a-modifier'
   Enabled: false
 
-Style/TrailingCommaInArrayLiteral:
-  Description: 'Checks for trailing comma in array and hash literals.'
-  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
-  Enabled: false
-
-Style/TrailingCommaInHashLiteral:
+Style/TrailingCommaInLiteral:
   Description: 'Checks for trailing comma in array and hash literals.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
   Enabled: false
@@ -204,7 +199,7 @@ Metrics/ModuleLength:
 Metrics/BlockLength:
   Enabled: false
 
-Style/RescueStandardError:
+Lint/RescueWithoutErrorClass:
   Enabled: false
 
 Rails/ApplicationRecord:
diff --git a/Gemfile b/Gemfile
index 3a0084fb5..c980c2377 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,8 +1,8 @@
 source 'https://rubygems.org'
 
 # core - base
-ruby '2.4.3'
-gem 'rails', '5.1.5'
+ruby '2.4.2'
+gem 'rails', '5.1.4'
 
 # core - rails additions
 gem 'activerecord-session_store'