diff --git a/plantuml-generator-util/pom.xml b/plantuml-generator-util/pom.xml
index 636bbd98..66b2da78 100644
--- a/plantuml-generator-util/pom.xml
+++ b/plantuml-generator-util/pom.xml
@@ -44,7 +44,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-slf4j-impl</artifactId>
-			<version>2.21.1</version>
+			<version>2.22.0</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>