diff --git a/rains-transaction-sample/rains-transaction-tx-dubbo-sample/rains-transaction-tx-dubbo-sample-order/pom.xml b/rains-transaction-sample/rains-transaction-tx-dubbo-sample/rains-transaction-tx-dubbo-sample-order/pom.xml
index a515d47..19f5472 100644
--- a/rains-transaction-sample/rains-transaction-tx-dubbo-sample/rains-transaction-tx-dubbo-sample-order/pom.xml
+++ b/rains-transaction-sample/rains-transaction-tx-dubbo-sample/rains-transaction-tx-dubbo-sample-order/pom.xml
@@ -65,7 +65,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.38</version>
+            <version>8.0.28</version>
         </dependency>
 
         <dependency>