diff --git a/.ruby-version b/.ruby-version
index 8e8299d..79a6144 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.4.2
+2.4.4
diff --git a/.travis.yml b/.travis.yml
index 74c40e3..39c135f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,13 @@ services:
 - docker
 
 rvm:
-- 2.4.2
+- 2.4.4
+
+env:
+  global:
+  - AWS_REGION='us-east-1'
+  - TF_VAR_region=${AWS_REGION}
+  - TF_WARN_OUTPUT_ERRORS=1
 
 before_install:
 - echo "before_install"
@@ -17,13 +23,8 @@ install:
 - bundle install
 
 before_script:
-- echo 'before_script'
-- export AWS_REGION='us-east-1'
-- export TF_VAR_region=${AWS_REGION}
-- echo "using AWS_REGION=${AWS_REGION}"
-- export TF_WARN_OUTPUT_ERRORS=1
-- curl --silent --output terraform.zip https://releases.hashicorp.com/terraform/0.11.8/terraform_0.11.8_linux_amd64.zip
-- sha256sum terraform.zip  | grep "84ccfb8e13b5fce63051294f787885b76a1fedef6bdbecf51c5e586c9e20c9b7"
+- export LATEST_TERRAFORM_VERSION=$(curl -s https://api.github.com/repos/hashicorp/terraform/releases/latest | grep tag_name | cut -d '"' -f 4 | cut -c2-)
+- curl --silent --output terraform.zip https://releases.hashicorp.com/terraform/${LATEST_TERRAFORM_VERSION}/terraform_${LATEST_TERRAFORM_VERSION}_linux_amd64.zip
 - unzip terraform.zip ; rm -f terraform.zip; chmod +x terraform
 - mkdir -p ${HOME}/bin ; export PATH=${PATH}:${HOME}/bin; mv terraform ${HOME}/bin/
 - terraform -v
diff --git a/Gemfile b/Gemfile
index 4252e7c..89be253 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-ruby '2.4.2'
+ruby '2.4.4'
 
 source 'https://rubygems.org/' do
   gem 'awspec', '~> 1.4.2'
diff --git a/examples/eks_test_fixture/main.tf b/examples/eks_test_fixture/main.tf
index 88f9fe3..29f3c77 100644
--- a/examples/eks_test_fixture/main.tf
+++ b/examples/eks_test_fixture/main.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "= 0.11.8"
+  required_version = ">= 0.11.8"
 }
 
 provider "aws" {