diff --git a/lib/Consumer/LibCurl.php b/lib/Consumer/LibCurl.php
index 405467b..e5dca53 100644
--- a/lib/Consumer/LibCurl.php
+++ b/lib/Consumer/LibCurl.php
@@ -74,8 +74,11 @@ public function flushBatch(array $messages): bool
 
             $responseCode = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
 
-            //close connection
-            curl_close($ch);
+            // This function has no effect. Prior to PHP 8.0.0, this function was used to close the resource.
+            // @link https://www.php.net/manual/en/function.curl-close.php
+            if (PHP_VERSION_ID < 80000) {
+                curl_close($ch);
+            }
 
             if ($responseCode !== 200) {
                 // log error