diff --git a/pom.xml b/pom.xml
index a1b1ad8..759ecac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -378,7 +378,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
-			<version>1.2.3</version>
+			<version>1.2.9</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
 		<dependency>