diff --git a/samples/ch08/jdbc-batch/pom.xml b/samples/ch08/jdbc-batch/pom.xml
index 4044f42..f2100ea 100644
--- a/samples/ch08/jdbc-batch/pom.xml
+++ b/samples/ch08/jdbc-batch/pom.xml
@@ -18,7 +18,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.6.2</version>
+			<version>2.17.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>