diff --git a/seata-samples-master/tcc/transfer-tcc-sample/pom.xml b/seata-samples-master/tcc/transfer-tcc-sample/pom.xml
old mode 100755
new mode 100644
index 8343ea8..595fe4d
--- a/seata-samples-master/tcc/transfer-tcc-sample/pom.xml
+++ b/seata-samples-master/tcc/transfer-tcc-sample/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.25</version>
+            <version>8.0.28</version>
         </dependency>