diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..d769315
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,11 @@
+language: ruby
+rvm:
+  - 1.9.3
+env:
+  - CHEF_VERSION=10.24.0
+  - CHEF_VERSION=10.26.0
+  - CHEF_VERSION=11.4.0
+  - CHEF_VERSION=11.4.4
+  - CHEF_VERSION=11.6.0
+before_script:
+  - chef-client --version
diff --git a/knife-inspect.gemspec b/knife-inspect.gemspec
index 6933e63..f3030c9 100644
--- a/knife-inspect.gemspec
+++ b/knife-inspect.gemspec
@@ -2,6 +2,13 @@
 $:.push File.expand_path("../lib", __FILE__)
 require "health_inspector/version"
 
+# Allow to pass an arbitrary chef version. Useful for testing for example.
+chef_version = if ENV.key?('CHEF_VERSION')
+                 "= #{ENV['CHEF_VERSION']}"
+               else
+                 ['>= 10', '<= 12']
+               end
+
 Gem::Specification.new do |s|
   s.name        = "knife-inspect"
   s.version     = HealthInspector::VERSION
@@ -22,6 +29,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rspec"
 
   s.add_runtime_dependency "thor"
-  s.add_runtime_dependency "chef", "~> 10.14"
+  s.add_runtime_dependency "chef", chef_version
   s.add_runtime_dependency "yajl-ruby"
 end
diff --git a/lib/health_inspector.rb b/lib/health_inspector.rb
index 4e1ac1b..3d1c0ae 100644
--- a/lib/health_inspector.rb
+++ b/lib/health_inspector.rb
@@ -11,7 +11,6 @@
 require "health_inspector/checklists/environments"
 require "health_inspector/checklists/roles"
 require 'chef/rest'
-require 'chef/checksum_cache'
 require 'chef/version'
 
 module HealthInspector