diff --git a/springboot-multipledatasources/multipledatasources4/pom.xml b/springboot-multipledatasources/multipledatasources4/pom.xml
index 1d5bd71..f061a5b 100644
--- a/springboot-multipledatasources/multipledatasources4/pom.xml
+++ b/springboot-multipledatasources/multipledatasources4/pom.xml
@@ -47,7 +47,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>8.0.11</version>
+			<version>8.0.28</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>