diff --git a/manifests/backup/pg_dump.pp b/manifests/backup/pg_dump.pp
index eb4e3b4975..ff99779fb5 100644
--- a/manifests/backup/pg_dump.pp
+++ b/manifests/backup/pg_dump.pp
@@ -68,13 +68,13 @@
 ) {
   # Install required packages
   if $package_name {
-    ensure_packages($package_name)
+    stdlib::ensure_packages($package_name)
   }
   if $install_cron {
     if $facts['os']['family'] == 'RedHat' {
-      ensure_packages('cronie')
+      stdlib::ensure_packages('cronie')
     } elsif $facts['os']['family'] != 'FreeBSD' {
-      ensure_packages('cron')
+      stdlib::ensure_packages('cron')
     }
   }
 
diff --git a/manifests/init.pp b/manifests/init.pp
new file mode 100644
index 0000000000..cd9779eda6
--- /dev/null
+++ b/manifests/init.pp
@@ -0,0 +1,9 @@
+class postgresql (
+  Hash[String[1], Hash] $instances = {},
+) {
+  $instances.each | $instance, $params| {
+    postgresql::server::instance { $instance:
+      * => $params,
+    }
+  }
+}
diff --git a/manifests/server/extension.pp b/manifests/server/extension.pp
index aa83f708f5..c8b62985f6 100644
--- a/manifests/server/extension.pp
+++ b/manifests/server/extension.pp
@@ -129,7 +129,7 @@
       default => $package_ensure,
     }
 
-    ensure_packages($package_name, {
+    stdlib::ensure_packages($package_name, {
         ensure  => $_package_ensure,
         tag     => 'puppetlabs-postgresql',
     })
diff --git a/manifests/server/instance/passwd.pp b/manifests/server/instance/passwd.pp
index 89c9a53250..a397beda54 100644
--- a/manifests/server/instance/passwd.pp
+++ b/manifests/server/instance/passwd.pp
@@ -27,7 +27,7 @@
   # psql will default to connecting as $user if you don't specify name
   $_datbase_user_same = $database == $user
   $_dboption = $_datbase_user_same ? {
-    false => " --dbname ${shell_escape($database)}",
+    false => " --dbname ${stdlib::shell_escape($database)}",
     default => ''
   }
 
@@ -37,7 +37,7 @@
     #  without specifying a password ('ident' or 'trust' security). This is
     #  the default for pg_hba.conf.
     $escaped = postgresql::postgresql_escape($real_postgres_password)
-    $exec_command = "${shell_escape($psql_path)}${_dboption} -c \"ALTER ROLE \\\"${shell_escape($user)}\\\" PASSWORD \${NEWPASSWD_ESCAPED}\"" # lint:ignore:140chars
+    $exec_command = "${stdlib::shell_escape($psql_path)}${_dboption} -c \"ALTER ROLE \\\"${stdlib::shell_escape($user)}\\\" PASSWORD \${NEWPASSWD_ESCAPED}\"" # lint:ignore:140chars
     exec { 'set_postgres_postgrespw':
       # This command works w/no password because we run it as postgres system
       # user
diff --git a/metadata.json b/metadata.json
index aae032a220..2443217f39 100644
--- a/metadata.json
+++ b/metadata.json
@@ -10,7 +10,7 @@
   "dependencies": [
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 5.2.0 < 10.0.0"
+      "version_requirement": ">= 9.0.0 < 10.0.0"
     },
     {
       "name": "puppetlabs/apt",