diff --git a/ch08-ssm/pom.xml b/ch08-ssm/pom.xml
index cfbbe50..5376891 100644
--- a/ch08-ssm/pom.xml
+++ b/ch08-ssm/pom.xml
@@ -67,7 +67,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.13.0</version>
+            <version>2.15.0</version>
         </dependency>
 
         <dependency>