diff --git a/files/RPM-GPG-KEY-lambda-epll b/files/RPM-GPG-KEY-lambda-epll
new file mode 100644
index 0000000..710521e
--- /dev/null
+++ b/files/RPM-GPG-KEY-lambda-epll
@@ -0,0 +1,19 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v2
+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+=TDia
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/files/epll-preview.repo b/files/epll-preview.repo
new file mode 100644
index 0000000..cd5b764
--- /dev/null
+++ b/files/epll-preview.repo
@@ -0,0 +1,41 @@
+[epll-preview]
+name=epll-preview-Base
+mirrorlist=http://repo.lambda-linux.io/$releasever/epll-preview/$basearch/os/mirror.list
+mirror_expire=300
+metadata_expire=300
+priority=10
+failovermethod=priority
+fastestmirror_enabled=0
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll
+enabled=0
+retries=5
+timeout=10
+
+[epll-preview-debuginfo]
+name=epll-preview-Debuginfo
+mirrorlist=http://repo.lambda-linux.io/$releasever/epll-preview/$basearch/Debuginfo/mirror.list
+mirror_expire=300
+metadata_expire=300
+priority=10
+failovermethod=priority
+fastestmirror_enabled=0
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll
+enabled=0
+retries=5
+timeout=10
+
+[epll-preview-source]
+name=epll-preview-Source
+mirrorlist=http://repo.lambda-linux.io/$releasever/epll-preview/SRPMS/mirror.list
+mirror_expire=300
+metadata_expire=300
+priority=10
+failovermethod=priority
+fastestmirror_enabled=0
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll
+enabled=0
+retries=5
+timeout=10
diff --git a/files/epll.repo b/files/epll.repo
new file mode 100644
index 0000000..a48a3af
--- /dev/null
+++ b/files/epll.repo
@@ -0,0 +1,41 @@
+[epll]
+name=epll-Base
+mirrorlist=http://repo.lambda-linux.io/$releasever/epll/$basearch/os/mirror.list
+mirror_expire=300
+metadata_expire=300
+priority=10
+failovermethod=priority
+fastestmirror_enabled=0
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll
+enabled=1
+retries=5
+timeout=10
+
+[epll-debuginfo]
+name=epll-Debuginfo
+mirrorlist=http://repo.lambda-linux.io/$releasever/epll/$basearch/Debuginfo/mirror.list
+mirror_expire=300
+metadata_expire=300
+priority=10
+failovermethod=priority
+fastestmirror_enabled=0
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll
+enabled=0
+retries=5
+timeout=10
+
+[epll-source]
+name=epll-Source
+mirrorlist=http://repo.lambda-linux.io/$releasever/epll/SRPMS/mirror.list
+mirror_expire=300
+metadata_expire=300
+priority=10
+failovermethod=priority
+fastestmirror_enabled=0
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll
+enabled=0
+retries=5
+timeout=10
diff --git a/manifests/dependencies.pp b/manifests/dependencies.pp
new file mode 100644
index 0000000..5b55c76
--- /dev/null
+++ b/manifests/dependencies.pp
@@ -0,0 +1,36 @@
+class firefox::dependencies {
+  case $::osfamily {
+    'RedHat': {
+      file { '/etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll':
+        ensure => present,
+        owner  => 'root',
+        group  => 'root',
+        mode   => '0644',
+        source => 'puppet:///modules/firefox/RPM-GPG-KEY-lambda-epll',
+      }
+      file { '/etc/yum.repos.d/epll.repo':
+        ensure  => present,
+        owner   => 'root',
+        group   => 'root',
+        mode    => '0644',
+        source  => 'puppet:///modules/firefox/epll.repo',
+        require => File['/etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll'],
+      }
+      file { '/etc/yum.repos.d/epll-preview.repo':
+        ensure  => present,
+        owner   => 'root',
+        group   => 'root',
+        mode    => '0644',
+        source  => 'puppet:///modules/firefox/epll-preview.repo',
+        require => File['/etc/pki/rpm-gpg/RPM-GPG-KEY-lambda-epll'],
+      }
+      package { 'firefox-compat':
+        ensure  => installed,
+        require => File['/etc/yum.repos.d/epll.repo'],
+      }
+    }
+    default: {
+      fail("The ${module_name} module is not supported on an ${::osfamily} based system.")
+    }
+  }
+}
diff --git a/manifests/params.pp b/manifests/params.pp
index 36bd6e1..636e3bb 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -3,7 +3,7 @@
 # Defaut parameter values for the firefox module
 #
 
-class firefox::params {
+class firefox::params inherits firefox::dependencies {
   $version          = '37.0.2'
   $ensure           = present
   $language         = 'en-GB'