diff --git a/service1-db/service4-mysql-mybatis-dbcp/pom.xml b/service1-db/service4-mysql-mybatis-dbcp/pom.xml
index 20935bc..f8d0004 100644
--- a/service1-db/service4-mysql-mybatis-dbcp/pom.xml
+++ b/service1-db/service4-mysql-mybatis-dbcp/pom.xml
@@ -88,7 +88,7 @@
                     <dependency>
                         <groupId>org.mybatis</groupId>
                         <artifactId>mybatis</artifactId>
-                        <version>3.4.5</version>
+                        <version>3.5.6</version>
                     </dependency>
                     <dependency>
                         <groupId>mysql</groupId>