diff --git a/.rubocop.yml b/.rubocop.yml
index e011f1a..62d4b5b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -13,15 +13,18 @@ Metrics/LineLength:
 Style/Documentation:
   Enabled: false
 
+Style/FormatStringToken:
+  EnforcedStyle: template
+
 Style/HashSyntax:
   Enabled: false
   SupportedStyles:
     - ruby19
     - hash_rockets
 
-Style/ExtraSpacing:
+Layout/ExtraSpacing:
   AllowForAlignment: true
 
-Style/AlignHash:
+Layout/AlignHash:
   EnforcedHashRocketStyle: table
   EnforcedColonStyle: table
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index c1e6a96..9445d4a 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -65,17 +65,3 @@ Metrics/ParameterLists:
 # Offense count: 4
 Metrics/PerceivedComplexity:
   Max: 13
-
-# Offense count: 1
-# Configuration parameters: EnforcedStyle, SupportedStyles.
-# SupportedStyles: format, sprintf, percent
-Style/FormatString:
-  Exclude:
-    - 'app/models/concerns/fog_extensions/xenserver/server.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: SupportedStyles.
-# SupportedStyles: percent, brackets
-Style/SymbolArray:
-  EnforcedStyle: brackets
diff --git a/Gemfile b/Gemfile
index 3449fdd..3c20a52 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,4 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'nokogiri', '< 1.7', require: false if RUBY_VERSION.start_with? '2.0.'
-gem 'rubocop', '~> 0.48.1', require: false
+gem 'rubocop', '~> 0.49.1', require: false
diff --git a/app/models/concerns/fog_extensions/xenserver/server.rb b/app/models/concerns/fog_extensions/xenserver/server.rb
index 0940acc..56d4a5d 100644
--- a/app/models/concerns/fog_extensions/xenserver/server.rb
+++ b/app/models/concerns/fog_extensions/xenserver/server.rb
@@ -41,7 +41,7 @@ def state
       end
 
       def vm_description
-        _('%{cpus} CPUs and %{ram} memory') % { :cpus => vcpus_max, :ram => number_to_human_size(memory_max.to_i) }
+        format(_('%{cpus} CPUs and %{ram} memory'), :cpus => vcpus_max, :ram => number_to_human_size(memory_max.to_i))
       end
 
       def interfaces
diff --git a/app/models/foreman_xen/xenserver.rb b/app/models/foreman_xen/xenserver.rb
index a0243ee..becec82 100644
--- a/app/models/foreman_xen/xenserver.rb
+++ b/app/models/foreman_xen/xenserver.rb
@@ -187,7 +187,7 @@ def new_vm(attr = {})
       return unless errors.empty?
       opts = vm_instance_defaults.merge(attr.to_hash).symbolize_keys
 
-      [:networks, :volumes].each do |collection|
+      %i[networks volumes].each do |collection|
         nested_attrs     = opts.delete("#{collection}_attributes".to_sym)
         opts[collection] = nested_attributes_for(collection, nested_attrs) if nested_attrs
       end