diff --git a/Modulefile b/Modulefile
index 5e5a2f1..883abc0 100644
--- a/Modulefile
+++ b/Modulefile
@@ -9,3 +9,4 @@ project_page 'http://github.com/jfryman/puppet-nginx'
 
 dependency 'puppetlabs/stdlib', '>= 0.1.6'
 dependency 'puppetlabs/apt', '>= 1.0.0'
+dependency 'puppetlabs/concat', '>= 1.0.0'
diff --git a/Puppetfile b/Puppetfile
index 7edb487..7a314f2 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -2,3 +2,4 @@ forge 'http://forge.puppetlabs.com'
 
 mod 'puppetlabs/stdlib', '>=0.1.6'
 mod 'puppetlabs/apt', '>=1.0.0'
+mod 'puppetlabs/concat', '>=1.0.0'
diff --git a/Puppetfile.lock b/Puppetfile.lock
index 47783d2..aac666e 100644
--- a/Puppetfile.lock
+++ b/Puppetfile.lock
@@ -3,9 +3,11 @@ FORGE
   specs:
     puppetlabs/apt (1.2.0)
       puppetlabs/stdlib (>= 2.2.1)
+    puppetlabs/concat (1.0.0)
     puppetlabs/stdlib (4.1.0)
 
 DEPENDENCIES
   puppetlabs/apt (>= 1.0.0)
+  puppetlabs/concat (>= 1.0.0)
   puppetlabs/stdlib (>= 0.1.6)
 
diff --git a/spec/classes/nginx_spec.rb b/spec/classes/nginx_spec.rb
index 44ccf3a..3f6e7f7 100644
--- a/spec/classes/nginx_spec.rb
+++ b/spec/classes/nginx_spec.rb
@@ -16,6 +16,7 @@ describe 'nginx' do
         :operatingsystem => 'Debian',
         :osfamily        => 'Debian',
         :lsbdistcodename => 'precise',
+        :concat_basedir  => '/var/lib/puppet/concat',
       }
     end
 
@@ -34,6 +35,7 @@ describe 'nginx' do
         :kernel          => 'linux',
         :operatingsystem => 'RedHat',
         :osfamily        => 'RedHat',
+        :concat_basedir  => '/var/lib/puppet/concat',
       }
     end
 
@@ -52,6 +54,7 @@ describe 'nginx' do
         :kernel          => 'linux',
         :operatingsystem => 'SuSE',
         :osfamily        => 'Suse',
+        :concat_basedir  => '/var/lib/puppet/concat',
       }
     end
 
diff --git a/spec/defines/resource_location_spec.rb b/spec/defines/resource_location_spec.rb
index 8d6e347..f445f9c 100644
--- a/spec/defines/resource_location_spec.rb
+++ b/spec/defines/resource_location_spec.rb
@@ -9,6 +9,7 @@ describe 'nginx::resource::location' do
       :osfamily        => 'Debian',
       :operatingsystem => 'debian',
       :kernel          => 'Linux',
+      :concat_basedir  => '/var/lib/puppet/concat',
     }
   end
   let :pre_condition do
diff --git a/spec/defines/resource_mailhost_spec.rb b/spec/defines/resource_mailhost_spec.rb
index 943e26a..1a73030 100644
--- a/spec/defines/resource_mailhost_spec.rb
+++ b/spec/defines/resource_mailhost_spec.rb
@@ -10,6 +10,7 @@ describe 'nginx::resource::mailhost' do
       :operatingsystem => 'debian',
       :kernel          => 'Linux',
       :ipaddress6      => '::',
+      :concat_basedir  => '/var/lib/puppet/concat',
     }
   end
   let :default_params do
diff --git a/spec/defines/resource_upstream_spec.rb b/spec/defines/resource_upstream_spec.rb
index d12a9cc..7e54fcc 100644
--- a/spec/defines/resource_upstream_spec.rb
+++ b/spec/defines/resource_upstream_spec.rb
@@ -5,6 +5,10 @@ describe 'nginx::resource::upstream' do
     'upstream-test'
   end
 
+  let :facts do {
+    :concat_basedir => '/var/lib/puppet/concat',
+  } end
+
   let :default_params do
     {
       :members => ['test'],
diff --git a/spec/defines/resource_vhost_spec.rb b/spec/defines/resource_vhost_spec.rb
index ccf75fc..dd1c0c2 100644
--- a/spec/defines/resource_vhost_spec.rb
+++ b/spec/defines/resource_vhost_spec.rb
@@ -16,6 +16,7 @@ describe 'nginx::resource::vhost' do
       :operatingsystem => 'debian',
       :kernel          => 'Linux',
       :ipaddress6      => '::',
+      :concat_basedir  => '/var/lib/puppet/concat',
     }
   end
   let :pre_condition do
diff --git a/spec/spec_helper_system.rb b/spec/spec_helper_system.rb
index e16374a..aceafba 100644
--- a/spec/spec_helper_system.rb
+++ b/spec/spec_helper_system.rb
@@ -21,6 +21,7 @@ RSpec.configure do |c|
     puppet_module_install(:source => proj_root, :module_name => 'nginx')
     shell('puppet module install puppetlabs-apt')
     shell('puppet module install puppetlabs-stdlib')
+    shell('puppet module install puppetlabs-concat')
 
     # Fake keys.
     # Valid self-signed SSL key with 10 year expiry.