diff --git a/.ruby-version b/.ruby-version
index c043eea..ecd7ee5 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.2.1
+2.5.8
diff --git a/.travis.yml b/.travis.yml
index 7143f42..744e71d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,8 @@
 language: ruby
 rvm:
-- 2.0
-- 2.1
-- 2.2
-- 2.2.1
-- 2.2.2
-- 2.2.3
-- 2.2.4
+- 2.5
+- 2.6
+- 2.7
 before_install:
 - gem install bundler
 install:
diff --git a/apivore.gemspec b/apivore.gemspec
index 982db74..a571378 100644
--- a/apivore.gemspec
+++ b/apivore.gemspec
@@ -13,28 +13,19 @@ Gem::Specification.new do |s|
   s.files      += Dir['data/custom_schemata/*.json']
   s.homepage    = 'http://github.com/westfieldlabs/apivore'
   s.licenses    = ['Apache 2.0']
+  s.required_ruby_version = ">= 2.5.0"
 
   s.add_runtime_dependency 'json-schema', '~> 2.5'
   s.add_runtime_dependency 'rspec', '~> 3'
   s.add_runtime_dependency 'rspec-expectations', '~> 3.1'
   s.add_runtime_dependency 'rspec-mocks', '~> 3.1'
-  s.add_runtime_dependency 'hashie', '~> 3.3'
+  s.add_runtime_dependency 'hashie', '~> 4.0'
   s.add_development_dependency 'pry', '~> 0'
   s.add_development_dependency 'rake', '~> 10.3'
   s.add_development_dependency 'rspec-rails', '~> 3'
 
-  # Rails 5 stopped support for ruby < 2.2.2
-  # Hack to support currently suported ruby versions
-  # TODO: remove and explicitly require ruby 2.2.2 as min version in version 2 of apivore
-  if RUBY_VERSION >= '2.2.2'
-    s.add_runtime_dependency 'actionpack', '>= 4', '< 6'
-    s.add_development_dependency 'activesupport', '>= 4', '< 6'
-  else
-    s.add_runtime_dependency 'actionpack', '< 5'
-    s.add_development_dependency 'activesupport', '< 5'
-  end
+  s.add_runtime_dependency 'actionpack', '>= 4', '< 7'
+  s.add_development_dependency 'activesupport', '>= 4', '< 7'
 
-  if RUBY_VERSION >= '2.2.0'
-    s.add_development_dependency 'test-unit', '~> 3'
-  end
+  s.add_development_dependency 'test-unit', '~> 3'
 end
diff --git a/lib/apivore/swagger.rb b/lib/apivore/swagger.rb
index 78fed66..3972490 100644
--- a/lib/apivore/swagger.rb
+++ b/lib/apivore/swagger.rb
@@ -4,6 +4,8 @@
 
 module Apivore
   class Swagger < Hashie::Mash
+    disable_warnings
+
     NONVERB_PATH_ITEMS = %q(parameters)
 
     def validate
diff --git a/lib/apivore/version.rb b/lib/apivore/version.rb
index 2e1f05c..a9c96c8 100644
--- a/lib/apivore/version.rb
+++ b/lib/apivore/version.rb
@@ -1,3 +1,3 @@
 module Apivore
-  VERSION = "1.6.2"
+  VERSION = "2.0.0.beta1"
 end