diff --git a/Gemfile b/Gemfile
index 311daa0..8d7fa16 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'dotenv', require: false
 gem 'puppet', ENV['PUPPET_GEM_VERSION'] || '~> 4.0', require: false
 
 group :test do
-  gem 'metadata-json-lint', '1.1.0', require: false
+  gem 'metadata-json-lint', require: false
   gem 'puppet-lint', require: false
   gem 'puppet-syntax', require: false
   gem 'puppetlabs_spec_helper', require: false
diff --git a/Puppetfile b/Puppetfile
index effe145..042e42c 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -103,7 +103,7 @@ mod 'staging',
     ref: 'v2.2.0'
 mod 'firewall',
     git: 'https://github.com/puppetlabs/puppetlabs-firewall',
-    ref: '1.8.2'
+    ref: '1.9.0'
 mod 'gcc',
     git: 'https://github.com/puppetlabs/puppetlabs-gcc',
     ref: '0.3.0'