diff --git a/15-springboot_shiro_session/pom.xml b/15-springboot_shiro_session/pom.xml
index 8b2a237..d2c8341 100644
--- a/15-springboot_shiro_session/pom.xml
+++ b/15-springboot_shiro_session/pom.xml
@@ -96,7 +96,7 @@
                     <dependency>
                         <groupId>mysql</groupId>
                         <artifactId>mysql-connector-java</artifactId>
-                        <version>8.0.20</version>
+                        <version>8.0.28</version>
                     </dependency>
                 </dependencies>
             </plugin>