diff --git a/src/Client.php b/src/Client.php
index 10f66f90..a3ebdd07 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -36,7 +36,7 @@
 use Http\Discovery\MessageFactoryDiscovery;
 use Http\Discovery\UriFactoryDiscovery;
 use Http\Message\Authentication;
-use Http\Message\UriFactory;
+use Psr\Http\Message\UriFactoryInterface;
 use Psr\Http\Client\ClientInterface as HttpClient;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
@@ -66,7 +66,7 @@ class Client implements ClientInterface
 
     public const CONFIG_RETRY_PLUGIN_CONFIG = 'retry_plugin_config';
 
-    /** @var \Http\Message\UriFactory */
+    /** @var UriFactoryInterface */
     private $uriFactory;
 
     /** @var string|null */
@@ -122,7 +122,7 @@ class Client implements ClientInterface
      *     User agent prefix.
      *   - Apigee\Edge\Client::CONFIG_HTTP_CLIENT_BUILDER: \Apigee\Edge\HttpClient\Utility\BuilderInterface|null
      *     Http client builder.
-     *   - Apigee\Edge\Client::CONFIG_URI_FACTORY: \Http\Message\UriFactory|null
+     *   - Apigee\Edge\Client::CONFIG_URI_FACTORY: \Psr\Http\Message\UriFactoryInterface|null
      *     Factory for PSR-7 URIs.
      *   - Apigee\Edge\Client::CONFIG_REQUEST_FACTORY: \Http\Message\RequestFactory|null
      *     Factory for PSR-7 Requests.
@@ -153,10 +153,12 @@ public function getJournal(): JournalInterface
     }
 
     /**
-     * {@inheritdoc}
+     * Create a new URI.
+     *
+     * @return UriFactoryInterface
      */
     #[\ReturnTypeWillChange]
-    public function getUriFactory(): UriFactory
+    public function getUriFactory(): UriFactoryInterface
     {
         return $this->uriFactory;
     }
@@ -267,7 +269,7 @@ protected function configureOptions(OptionsResolver $resolver): void
         $resolver->setAllowedTypes(static::CONFIG_USER_AGENT_PREFIX, ['null', 'string']);
         $resolver->setAllowedTypes(static::CONFIG_HTTP_CLIENT_BUILDER, ['null', '\Apigee\Edge\HttpClient\Utility\BuilderInterface']);
         $resolver->setAllowedTypes(static::CONFIG_JOURNAL, ['null', '\Apigee\Edge\HttpClient\Utility\JournalInterface']);
-        $resolver->setAllowedTypes(static::CONFIG_URI_FACTORY, ['null', '\Http\Message\UriFactory']);
+        $resolver->setAllowedTypes(static::CONFIG_URI_FACTORY, ['null', '\Psr\Http\Message\UriFactoryInterface']);
         $resolver->setAllowedTypes(static::CONFIG_REQUEST_FACTORY, ['null', '\Http\Message\RequestFactory']);
         $resolver->setAllowedTypes(static::CONFIG_ERROR_FORMATTER, ['null', '\Http\Message\Formatter']);
         $resolver->setAllowedTypes(static::CONFIG_RETRY_PLUGIN_CONFIG, ['null', 'array']);
diff --git a/src/ClientInterface.php b/src/ClientInterface.php
index 3d266e0b..c6818bed 100644
--- a/src/ClientInterface.php
+++ b/src/ClientInterface.php
@@ -21,7 +21,7 @@
 use Apigee\Edge\HttpClient\Utility\JournalInterface;
 use Psr\Http\Client\ClientInterface as HttpClient;
 use Psr\Http\Message\ResponseInterface;
-use Http\Message\UriFactory;
+use Psr\Http\Message\UriFactoryInterface;
 
 /**
  * Interface ClientInterface.
@@ -76,10 +76,10 @@ public function getJournal(): JournalInterface;
     /**
      * Returns the URI factory used by the Client.
      *
-     * @return UriFactory
+     * @return UriFactoryInterface
      */
     #[\ReturnTypeWillChange]
-    public function getUriFactory(): UriFactory;
+    public function getUriFactory(): UriFactoryInterface;
 
     /**
      * Returns the version of the API client.