diff --git a/src/Elasticsearch/Connections/CurlMultiConnection.php b/src/Elasticsearch/Connections/CurlMultiConnection.php
index 329c39de7..5e44db0ef 100644
--- a/src/Elasticsearch/Connections/CurlMultiConnection.php
+++ b/src/Elasticsearch/Connections/CurlMultiConnection.php
@@ -429,8 +429,8 @@ private function generateCurlOpts($connectionParams)
             CURLOPT_TIMEOUT_MS     => 1000,
             CURLOPT_CONNECTTIMEOUT_MS => 1000,
             CURLOPT_HEADER         => false,
-            CURLOPT_SSL_VERIFYPEER => false,
-            CURLOPT_SSL_VERIFYHOST => false,
+            CURLOPT_SSL_VERIFYPEER => true,
+            CURLOPT_SSL_VERIFYHOST => 2,
             CURLOPT_TCP_NODELAY    => false
         );