diff --git a/commerce_paypal.module b/commerce_paypal.module
index 8767833..c4ececc 100644
--- a/commerce_paypal.module
+++ b/commerce_paypal.module
@@ -353,6 +353,7 @@ function commerce_paypal_api_request($payment_method, $nvp = array(), $order = N
   curl_setopt($ch, CURLOPT_NOPROGRESS, 1);
   curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
   curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
+  curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
 
   // Commerce PayPal requires SSL peer verification, which may prevent out of
   // date servers from successfully processing API requests. If you get an error