diff --git a/composer.json b/composer.json
index 842f591..aed46e4 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         "symfony/var-dumper": "^6.4.11|^7.1.5"
     },
     "suggest": {
-        "react/http": "Required for using the ReactPHP HTTP transport handler (^1.11 recommended)."
+        "ext-pcntl": "For signal handling support when using StdioServerTransport with StreamSelectLoop"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Transports/StdioServerTransport.php b/src/Transports/StdioServerTransport.php
index 011efe6..4535c17 100644
--- a/src/Transports/StdioServerTransport.php
+++ b/src/Transports/StdioServerTransport.php
@@ -148,12 +148,16 @@ public function listen(): void
             $this->close();
         });
 
-        $signalHandler = function (int $signal) {
-            $this->logger->info("Received signal {$signal}, shutting down.");
-            $this->close();
-        };
-        $this->loop->addSignal(SIGTERM, $signalHandler);
-        $this->loop->addSignal(SIGINT, $signalHandler);
+        try {
+            $signalHandler = function (int $signal) {
+                $this->logger->info("Received signal {$signal}, shutting down.");
+                $this->close();
+            };
+            $this->loop->addSignal(SIGTERM, $signalHandler);
+            $this->loop->addSignal(SIGINT, $signalHandler);
+        } catch (Throwable $e) {
+            $this->logger->debug('Signal handling not supported by current event loop.');
+        }
 
         $this->logger->info('Server is up and listening on STDIN 🚀');