diff --git a/Chapter4-4-2/src/main/resources/application.properties b/Chapter4-4-2/src/main/resources/application.properties
index 1a9d025..248f22c 100644
--- a/Chapter4-4-2/src/main/resources/application.properties
+++ b/Chapter4-4-2/src/main/resources/application.properties
@@ -3,6 +3,7 @@ spring.datasource.username=root
 spring.datasource.password=123456
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
 
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
 spring.jpa.properties.hibernate.hbm2ddl.auto=create-drop
 spring.jpa.properties.hibernate.show_sql=true