diff --git a/.travis.yml b/.travis.yml
index 429adb4..21aa10f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,12 +3,10 @@ script: "bundle exec rspec spec"
 language: ruby
 
 rvm:
-  - 1.9.3
-  - 2.0.0
-  - 2.1.0
-  - 2.1.1
-  - 2.1.2
-  - jruby-19mode
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
 
 services:
   - mongodb
diff --git a/mongoid-enum.gemspec b/mongoid-enum.gemspec
index bd9465d..3afc5ad 100644
--- a/mongoid-enum.gemspec
+++ b/mongoid-enum.gemspec
@@ -18,11 +18,11 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "mongoid", "~> 5.0"
+  spec.add_runtime_dependency "mongoid", "> 5.0", "< 7.0"
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "~> 3.1"
   spec.add_development_dependency "guard-rspec", "~> 4.6.2"
-  spec.add_development_dependency "mongoid-rspec", "~> 3.0"
+  spec.add_development_dependency "mongoid-rspec", "~> 4.0"
 end