diff --git a/Speed/UpdateBuildRequest.php b/Speed/UpdateBuildRequest.php
index e091d9b..c1faf3b 100644
--- a/Speed/UpdateBuildRequest.php
+++ b/Speed/UpdateBuildRequest.php
@@ -10,6 +10,14 @@ use Convoy\Http\Requests\BaseApiRequest;
 
 class UpdateBuildRequest extends BaseApiRequest
 {
+    protected function prepareForValidation()
+    {
+        // Map camelCase to snake_case for rateLimit
+        $this->merge([
+            'rate_limit' => $this->input('rateLimit'),
+        ]);
+    }
+
     public function rules(): array
     {
         $server = $this->parameter('server', Server::class);