diff --git a/manifests/application.pp b/manifests/application.pp
index 79378d39..c4c62142 100644
--- a/manifests/application.pp
+++ b/manifests/application.pp
@@ -63,6 +63,8 @@
   $candlepin_event_queue = $katello::params::candlepin_event_queue
   $crane_url = $katello::params::crane_url
   $crane_ca_cert = $certs::katello_server_ca_cert
+  $postgresql_evr_package = $katello::params::postgresql_evr_package
+  $manage_db = $foreman::db_manage
 
   # Katello database seeding needs candlepin
   Anchor <| title == 'katello::repo' or title ==  'katello::candlepin' |> ->
@@ -72,6 +74,12 @@
     config_file => "${foreman::plugin_config_dir}/katello.yaml",
   }
 
+  if $manage_db {
+    package { $postgresql_evr_package:
+      ensure => installed,
+    }
+  }
+
   foreman::config::apache::fragment { 'katello':
     ssl_content => file('katello/katello-apache-ssl.conf'),
   }
diff --git a/manifests/globals.pp b/manifests/globals.pp
index ae177c4d..17ceb33e 100644
--- a/manifests/globals.pp
+++ b/manifests/globals.pp
@@ -32,4 +32,10 @@
 
   $candlepin_qpid_exchange = 'event'
   $candlepin_event_queue = 'katello_event_queue'
+
+  if $facts['os']['release']['major'] == '7' {
+    $postgresql_evr_package = 'rh-postgresql12-postgresql-evr'
+  } else {
+    $postgresql_evr_package = 'postgresql-evr'
+  }
 }
diff --git a/manifests/params.pp b/manifests/params.pp
index 8905372d..607d66a5 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -22,6 +22,8 @@
 #   The oauth key for Candlepin
 # @param candlepin_oauth_secret
 #   The oauth secret for Candlepin
+# @param postgresql_evr_package
+#   The contextual package name for the PostgreSQL EVR extension
 class katello::params (
   Stdlib::HTTPSUrl $pulp_url = "https://${facts['networking']['fqdn']}/pulp/api/v2/",
   Stdlib::HTTPSUrl $crane_url = "https://${facts['networking']['fqdn']}:5000",
@@ -29,6 +31,7 @@
   String[1] $candlepin_oauth_key = $katello::globals::candlepin_oauth_key,
   String[1] $candlepin_oauth_secret = $katello::globals::candlepin_oauth_secret,
   Stdlib::Host $candlepin_host = 'localhost',
-  Stdlib::HTTPSUrl $candlepin_url = "https://${candlepin_host}:8443/candlepin"
+  Stdlib::HTTPSUrl $candlepin_url = "https://${candlepin_host}:8443/candlepin",
+  String[1] $postgresql_evr_package = $katello::globals::postgresql_evr_package,
 ) inherits katello::globals {
 }
diff --git a/spec/classes/application_spec.rb b/spec/classes/application_spec.rb
index fe925e32..5ba78daf 100644
--- a/spec/classes/application_spec.rb
+++ b/spec/classes/application_spec.rb
@@ -18,6 +18,7 @@ class { 'katello::params':
         it { is_expected.to compile.with_all_deps }
         it { is_expected.to create_package('tfm-rubygem-katello') }
         it { is_expected.not_to create_package('tfm-rubygem-katello').that_requires('Anchor[katello::candlepin]') }
+        it { is_expected.to create_package('rh-postgresql12-postgresql-evr') }
         it { is_expected.to contain_class('certs::qpid') }
         it { is_expected.to contain_class('katello::qpid_client') }