diff --git a/manifests/deps/debian.pp b/manifests/deps/debian.pp
index e9f85ef..9dd2683 100644
--- a/manifests/deps/debian.pp
+++ b/manifests/deps/debian.pp
@@ -3,10 +3,10 @@
 # This module manages awscli dependencies for Debian $::osfamily.
 #
 class awscli::deps::debian {
-  if ! defined(Package['python-dev']) {
-    package { 'python-dev': ensure => installed }
+  if ! defined(Package[ $awscli::pkg_dev ]) {
+    package { $awscli::pkg_dev: ensure => installed }
   }
-  if ! defined(Package['python-pip']) {
-    package { 'python-pip': ensure => installed }
+  if ! defined(Package[ $awscli::pkg_pip ]) {
+    package { $awscli::pkg_pip: ensure => installed }
   }
 }
diff --git a/manifests/deps/osx.pp b/manifests/deps/osx.pp
index 71775ef..49f5638 100644
--- a/manifests/deps/osx.pp
+++ b/manifests/deps/osx.pp
@@ -3,10 +3,10 @@
 # This module manages awscli dependencies for Darwin $::osfamily.
 #
 class awscli::deps::osx {
-  if ! defined(Package['python']) {
-    package { 'python': ensure => installed, provider => homebrew }
+  if ! defined(Package[ $awscli::pkg_dev ]) {
+    package { $awscli::pkg_dev: ensure => installed, provider => homebrew }
   }
-  if ! defined(Package['brew-pip']) {
-    package { 'brew-pip': ensure => installed, provider => homebrew }
+  if ! defined(Package[ $awscli::pkg_pip ]) {
+    package { $awscli::pkg_pip: ensure => installed, provider => homebrew }
   }
 }
diff --git a/manifests/deps/redhat.pp b/manifests/deps/redhat.pp
index 21b9bca..f0e7ba9 100644
--- a/manifests/deps/redhat.pp
+++ b/manifests/deps/redhat.pp
@@ -6,10 +6,10 @@
   include ::epel
   Package { require => Class['epel'] }
 
-  if ! defined(Package['python-devel']) {
-    package { 'python-devel': ensure => installed }
+  if ! defined(Package[ $awscli::pkg_dev ]) {
+    package { $awscli::pkg_dev: ensure => installed }
   }
-  if ! defined(Package['python-pip']) {
-    package { 'python-pip': ensure => installed }
+  if ! defined(Package[ $awscli::pkg_pip ]) {
+    package { $awscli::pkg_pip: ensure => installed }
   }
 }
diff --git a/manifests/init.pp b/manifests/init.pp
index 7c027a5..cff2ae9 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -9,6 +9,16 @@
 #    Default: 'present'
 #    This variable is required.
 #
+#  [$pkg_dev]
+#    Provides ability to install a specific Dev package by name.
+#    Default: See awscli::params Class
+#    This variable is optional.
+#
+#  [$pkg_pip]
+#    Provides ability to install a specific PIP package by name.
+#    Default: See awscli::params Class
+#    This variable is optional.
+#
 # === Examples
 #
 #  class { awscli: }
@@ -22,8 +32,10 @@
 # Copyright 2014 Justin Downing
 #
 class awscli (
-  $version = 'present'
-) {
+  $version = 'present',
+  $pkg_dev = $awscli::params::pkg_dev,
+  $pkg_pip = $awscli::params::pkg_pip
+) inherits awscli::params {
   include awscli::deps
 
   package { 'awscli':
diff --git a/manifests/params.pp b/manifests/params.pp
new file mode 100644
index 0000000..fd2bdd0
--- /dev/null
+++ b/manifests/params.pp
@@ -0,0 +1,22 @@
+# == Class: awscli::params
+#
+# This class manages awscli parameters depending on the platform and 
+# should *not* be called directly.
+#
+class awscli::params {
+    case $::osfamily {
+      'Debian': {
+        $pkg_dev = 'python-dev'
+        $pkg_pip = 'python-pip'
+      }
+      'RedHat': {
+        $pkg_dev = 'python-devel'
+        $pkg_pip = 'python-pip'
+      }
+      'Darwin': {
+        $pkg_dev = 'python'
+        $pkg_pip = 'brew-pip'
+      }
+      default:  { fail("The awscli module does not support ${::osfamily}") }
+    }
+}
diff --git a/tests/params.pp b/tests/params.pp
new file mode 100644
index 0000000..c871326
--- /dev/null
+++ b/tests/params.pp
@@ -0,0 +1,15 @@
+# The baseline for module testing used by Puppet Labs is that each manifest
+# should have a corresponding test manifest that declares that class or defined
+# type.
+#
+# Tests are then run by using puppet apply --noop (to check for compilation
+# errors and view a log of events) or by fully applying the test in a virtual
+# environment (to compare the resulting system state to the desired state).
+#
+# Learn more about module testing here:
+# http://docs.puppetlabs.com/guides/tests_smoke.html
+#
+class {'awscli':
+  pkg_dev => 'python',
+  pkg_pip => 'brew-pip'
+}