diff --git a/manifests/openstackclient.pp b/manifests/openstackclient.pp
index eee68760..ef209393 100644
--- a/manifests/openstackclient.pp
+++ b/manifests/openstackclient.pp
@@ -17,7 +17,7 @@ class openstacklib::openstackclient(
   $package_ensure = 'present',
 ) inherits openstacklib::params {
 
-  ensure_packages($package_name, {
+  stdlib::ensure_packages($package_name, {
     'ensure' => $package_ensure,
     'tag'    => ['openstack', 'openstackclient']
   })
diff --git a/manifests/wsgi/apache.pp b/manifests/wsgi/apache.pp
index 01d370d9..043cba49 100644
--- a/manifests/wsgi/apache.pp
+++ b/manifests/wsgi/apache.pp
@@ -313,7 +313,7 @@ define openstacklib::wsgi::apache (
     mode   => '0644',
   }
 
-  $wsgi_daemon_process_options = merge (
+  $wsgi_daemon_process_options = stdlib::merge(
     {
       user         => $user,
       group        => $group,
@@ -327,7 +327,7 @@ define openstacklib::wsgi::apache (
   $wsgi_script_aliases_default = Hash([$path_real,"${wsgi_script_dir}/${wsgi_script_file}"])
 
   if $custom_wsgi_script_aliases {
-    $wsgi_script_aliases_real = merge($wsgi_script_aliases_default, $custom_wsgi_script_aliases)
+    $wsgi_script_aliases_real = stdlib::merge($wsgi_script_aliases_default, $custom_wsgi_script_aliases)
   } else {
     $wsgi_script_aliases_real = $wsgi_script_aliases_default
   }
diff --git a/metadata.json b/metadata.json
index 2904ca14..a42402cd 100644
--- a/metadata.json
+++ b/metadata.json
@@ -15,7 +15,7 @@
         },
         {
             "name": "puppetlabs/stdlib",
-            "version_requirement": ">=5.0.0 <10.0.0"
+            "version_requirement": ">=9.0.0 <10.0.0"
         },
         {
             "name": "puppet/rabbitmq",