diff --git a/src/NomiAI.php b/src/NomiAI.php
index 2458e7e..5a6d856 100755
--- a/src/NomiAI.php
+++ b/src/NomiAI.php
@@ -51,6 +51,7 @@ public function __construct(
                 'Authorization' => $this->token,
                 'Accept' => 'application/json',
                 'Content-Type' => 'application/json',
+                'User-Agent' => sprintf('Nomi.ai PHP SDK (%s)', self::VERSION),
             ],
         ]);
     }