diff --git a/ajax-datatables-rails.gemspec b/ajax-datatables-rails.gemspec
index 26cf8b82..d1cb44d6 100644
--- a/ajax-datatables-rails.gemspec
+++ b/ajax-datatables-rails.gemspec
@@ -25,9 +25,5 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency "pry"
   gem.add_development_dependency "rake"
   
-  if RUBY_VERSION == '1.9.2'
-    gem.add_development_dependency "rails", "3.1.0"
-  else
-    gem.add_development_dependency "rails", ">= 3.1.0"
-  end
+  gem.add_development_dependency "rails", ">= 4.2.11.3"
 end
diff --git a/lib/ajax-datatables-rails/base.rb b/lib/ajax-datatables-rails/base.rb
index bd476caa..b788fdad 100644
--- a/lib/ajax-datatables-rails/base.rb
+++ b/lib/ajax-datatables-rails/base.rb
@@ -113,7 +113,7 @@ def build_conditions_for(query)
       search_for = query.split(' ')
       criteria = search_for.inject([]) do |criteria, atom|
         criteria << searchable_columns.map { |col| search_condition(col, atom) }.reduce{|memo, node| Arel::Nodes::Grouping.new Arel::Nodes::Or.new(memo, node)}
-      end.reduce{|memo, node| Arel::Nodes::Grouping.new Arel::Nodes::And.new(memo, node)}
+      end.reduce{|memo, node| Arel::Nodes::Grouping.new Arel::Nodes::And.new([memo, node])}
       criteria
     end
 
@@ -128,7 +128,7 @@ def aggregate_query
         value = params[:columns]["#{index}"][:search][:value] if params[:columns]
         search_condition(column, value) unless value.blank?
       end
-      conditions.compact.reduce{|memo, node| Arel::Nodes::Grouping.new Arel::Nodes::And.new(memo, node)}
+      conditions.compact.reduce{|memo, node| Arel::Nodes::Grouping.new Arel::Nodes::And.new([memo, node])}
     end
 
     def offset
diff --git a/lib/ajax-datatables-rails/version.rb b/lib/ajax-datatables-rails/version.rb
index 2c2a6dd7..917d3b62 100644
--- a/lib/ajax-datatables-rails/version.rb
+++ b/lib/ajax-datatables-rails/version.rb
@@ -1,3 +1,3 @@
 module AjaxDatatablesRails
-  VERSION = '0.2.1'
+  VERSION = '0.2.2'
 end