diff --git a/module/upgrade/lang/en.php b/module/upgrade/lang/en.php
index 581c472906..3f78094903 100644
--- a/module/upgrade/lang/en.php
+++ b/module/upgrade/lang/en.php
@@ -94,3 +94,4 @@ $lang->upgrade->fromVersions['7_1']       = '7.1';
 $lang->upgrade->fromVersions['7_2']       = '7.2';
 $lang->upgrade->fromVersions['7_2_4']     = '7.2.4';
 $lang->upgrade->fromVersions['7_2_5']     = '7.2.5';
+$lang->upgrade->fromVersions['7_3']       = '7.3';
diff --git a/module/upgrade/lang/zh-cn.php b/module/upgrade/lang/zh-cn.php
index c7cc69d46a..3db4277926 100644
--- a/module/upgrade/lang/zh-cn.php
+++ b/module/upgrade/lang/zh-cn.php
@@ -94,3 +94,4 @@ $lang->upgrade->fromVersions['7_1']       = '7.1';
 $lang->upgrade->fromVersions['7_2']       = '7.2';
 $lang->upgrade->fromVersions['7_2_4']     = '7.2.4';
 $lang->upgrade->fromVersions['7_2_5']     = '7.2.5';
+$lang->upgrade->fromVersions['7_3']       = '7.3';
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 6f049568a2..7135d80425 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -125,6 +125,8 @@ class upgradeModel extends model
                 $this->execSQL($this->getUpgradeFile('7.2.4'));
             case '7_2_5':
                 $this->adjustOrder7_3();
+            case '7_3':
+                $this->execSQL($this->getUpgradeFile('7.3'));
 
             default: if(!$this->isError()) $this->setting->updateVersion($this->config->version);
         }
@@ -194,6 +196,7 @@ class upgradeModel extends model
         case '7_1':       $confirmContent .= file_get_contents($this->getUpgradeFile('7.1'));
         case '7_2':
         case '7_2_4':     $confirmContent .= file_get_contents($this->getUpgradeFile('7.2.4'));
+        case '7_3':       $confirmContent .= file_get_contents($this->getUpgradeFile('7.3'));
         }
         return str_replace('zt_', $this->config->db->prefix, $confirmContent);
     }