diff --git a/bzst-dip-java-client/pom.xml b/bzst-dip-java-client/pom.xml
index 05cf33f..9381909 100644
--- a/bzst-dip-java-client/pom.xml
+++ b/bzst-dip-java-client/pom.xml
@@ -137,7 +137,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-slf4j2-impl</artifactId>
-			<version>2.25.3</version>
+			<version>2.26.1</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>