diff --git a/.kitchen.yml b/.kitchen.yml
index ece8e87..c898398 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -27,9 +27,11 @@ provisioner:
 <% if ENV['CHEF_VERSION'] %>
   require_chef_omnibus: <%= ENV['CHEF_VERSION'] %>
 <% end %>
+  chef_license: accept
 
 verifier:
   name: inspec
+  chef_license: accept
 
 suites:
 - name: default
diff --git a/.travis.yml b/.travis.yml
index 56e42ef..bcbe03c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,16 +6,16 @@ cache: bundler
 services:
 - docker
 
-rvm: 2.5.1
+rvm: 2.6.3
 
 env:
  - INSTANCE=ubuntu-1404
  - INSTANCE=ubuntu-1604
- - INSTANCE=ubuntu-1604 CHEF_VERSION=13.10.0
+ - INSTANCE=ubuntu-1604 CHEF_VERSION=14.13.11
  - INSTANCE=ubuntu-1804
  - INSTANCE=centos-6
  - INSTANCE=centos-7
- - INSTANCE=centos-7 CHEF_VERSION=13.10.0
+ - INSTANCE=centos-7 CHEF_VERSION=14.13.11
  - INSTANCE=oracle-6
  - INSTANCE=oracle-7
  - INSTANCE=debian-8
@@ -23,7 +23,7 @@ env:
  - INSTANCE=fedora-27
  - INSTANCE=fedora-28
  - INSTANCE=opensuse-42
- - INSTANCE=opensuse-42 CHEF_VERSION=13.10.0
+ - INSTANCE=opensuse-42 CHEF_VERSION=14.13.11
  - INSTANCE=amazonlinux-1
  - INSTANCE=amazonlinux-2
 
diff --git a/README.md b/README.md
index d5688a4..0f813f0 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ This cookbook provides secure ssh-client and ssh-server configurations. This coo
 
 ## Requirements
 
-* Chef >= 13.10.0
+* Chef >= 14.13.11
 
 ### Platform