diff --git a/composer.json b/composer.json
index eaf16a9..9d83f48 100644
--- a/composer.json
+++ b/composer.json
@@ -19,6 +19,7 @@
     "minimum-stability": "stable",
     "require": {
         "php": ">=8.4",
+        "psr/http-client": "^1.0",
         "utopia-php/client": "^0.1|^0.2",
         "utopia-php/database": "5.*|6.0.*",
         "utopia-php/query": "0.1.*"
diff --git a/composer.lock b/composer.lock
index 608f1dc..c7dac0b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5b3770da8c02f718d34e73b85e3ad64a",
+    "content-hash": "15b52e21547085e954eef3a3c399ff68",
     "packages": [
         {
             "name": "brick/math",
diff --git a/src/Usage/Adapter/ClickHouse.php b/src/Usage/Adapter/ClickHouse.php
index 2a8826e..698915a 100644
--- a/src/Usage/Adapter/ClickHouse.php
+++ b/src/Usage/Adapter/ClickHouse.php
@@ -5,6 +5,7 @@
 use DateTime;
 use DateTimeZone;
 use Exception;
+use Psr\Http\Client\ClientInterface;
 use Throwable;
 use Utopia\Client;
 use Utopia\Client\Adapter\Curl\Client as CurlAdapter;
@@ -93,7 +94,7 @@ class ClickHouse extends SQL
     /** @var bool Whether to use HTTPS for ClickHouse HTTP interface */
     private bool $secure = false;
 
-    private Client $client;
+    private ClientInterface $client;
 
     private RequestFactory $requestFactory;
 
@@ -148,9 +149,11 @@ class ClickHouse extends SQL
      * @param  string  $password  ClickHouse password (default: '')
      * @param  int  $port  ClickHouse HTTP port (default: 8123)
      * @param  bool  $secure  Whether to use HTTPS (default: false)
-     * @param  Client|null  $client  HTTP transport. Defaults to a cURL client
-     *   with persistent connection reuse. Inject your own to control timeouts,
-     *   TLS, or retries — e.g. wrap an adapter in `Utopia\Client\Decorator\Retry`.
+     * @param  ClientInterface|null  $client  PSR-18 HTTP transport. Defaults to a
+     *   cURL client with persistent connection reuse. Inject your own to control
+     *   timeouts, TLS, or retries — e.g. wrap an adapter in
+     *   `Utopia\Client\Decorator\Retry`, or pass a `Utopia\Client\Pool` to share a
+     *   bounded set of connections across concurrent (coroutine) callers.
      */
     public function __construct(
         string $host,
@@ -158,7 +161,7 @@ public function __construct(
         string $password = '',
         int $port = self::DEFAULT_PORT,
         bool $secure = false,
-        ?Client $client = null
+        ?ClientInterface $client = null
     ) {
         $this->validateHost($host);
         $this->validatePort($port);