diff --git a/src/GatewayChecksum.php b/src/GatewayChecksum.php
index b112fa3..72e4c98 100644
--- a/src/GatewayChecksum.php
+++ b/src/GatewayChecksum.php
@@ -11,8 +11,8 @@
 class GatewayChecksum
 {
     public static $checksum = "";
-    public static $baseChecksum = "8f5eedd22eee69780abd2eb4d7ca7f1f";
-    public static $versionNo = "P8.11";
+    public static $baseChecksum = "b00527f60a0d7ea3bfbae1a9b95b3419";
+    public static $versionNo = "P8.12";
 
 //////////////////////////////////////////////////////////////////////
 //
@@ -30,7 +30,7 @@ static function SetVersion()
             md5_file($dirName . "/GatewayCodes.php");
         GatewayChecksum::$checksum = md5($baseString);
         if (GatewayChecksum::$checksum != GatewayChecksum::$baseChecksum) {
-            GatewayChecksum::$versionNo = "P8.11m";
+            GatewayChecksum::$versionNo = "P8.12m";
         }
     }
 }
diff --git a/src/GatewayCodes.php b/src/GatewayCodes.php
index 983d83b..c8ce458 100644
--- a/src/GatewayCodes.php
+++ b/src/GatewayCodes.php
@@ -93,6 +93,7 @@ class GatewayCodes {
     const REASON_DECLINED_CAVV_AUTOVOID      = 163;
     const REASON_BANK_INVALID_TRANSACTION    = 165;
     const REASON_CVV2_REQUIRED               = 167;
+    const REASON_DECLINED_DONOT_TRY_AGAIN    = 168;
     const REASON_INVALID_TAX_ID              = 169;
 
     const REASON_RISK_FAIL                        = 200;