diff --git a/lib/restpack_serializer.rb b/lib/restpack_serializer.rb
index 524d3bf..aec607d 100644
--- a/lib/restpack_serializer.rb
+++ b/lib/restpack_serializer.rb
@@ -6,7 +6,7 @@
 require_relative 'restpack_serializer/factory'
 require_relative 'restpack_serializer/result'
 
-Kaminari::Hooks.init
+Kaminari::Hooks.init if defined?(Kaminari::Hooks)
 
 module RestPack
   module Serializer
diff --git a/restpack_serializer.gemspec b/restpack_serializer.gemspec
index 5d5d4c4..f219fee 100644
--- a/restpack_serializer.gemspec
+++ b/restpack_serializer.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency 'activesupport', ['>= 4.0.3', '< 6.1']
   gem.add_dependency 'activerecord', ['>= 4.0.3', '< 6.1']
-  gem.add_dependency 'kaminari', '~> 0.17.0'
+  gem.add_dependency 'kaminari', ['>= 0.17.0', '< 2.0']
 
   gem.add_development_dependency 'restpack_gem', '~> 0.0.9'
   gem.add_development_dependency 'rake', '~> 11.3'