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..5861e08
--- a/seata-samples-master/tcc/transfer-tcc-sample/pom.xml
+++ b/seata-samples-master/tcc/transfer-tcc-sample/pom.xml
@@ -48,7 +48,7 @@
                     <artifactId>spring</artifactId>
                 </exclusion>
             </exclusions>
-            <version>2.7.3</version>
+            <version>2.7.15</version>
         </dependency>
         <dependency>
             <groupId>mysql</groupId>