diff --git a/src/Middleware/Connector.php b/src/Middleware/Connector.php
index 9ab06c5..8ebf231 100644
--- a/src/Middleware/Connector.php
+++ b/src/Middleware/Connector.php
@@ -129,9 +129,10 @@ private function getRequestHeaders() : array
     {
         // Default Headers Set
         $headers = [
-            'Content-Type' => 'application/x-ndjson',
-            'User-Agent'   => sprintf('elastic-apm-php/%s', Agent::VERSION),
-            'Accept'       => 'application/json',
+            'Content-Type'     => 'application/x-ndjson',
+            'Content-Encoding' => 'gzip',
+            'User-Agent'       => sprintf('elasticapm-php/%s', Agent::VERSION),
+            'Accept'           => 'application/json',
         ];
 
         // Add Secret Token to Header