diff --git a/LearningModel/pom.xml b/LearningModel/pom.xml
index fbdf56b..273a777 100644
--- a/LearningModel/pom.xml
+++ b/LearningModel/pom.xml
@@ -70,7 +70,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
-			<version>1.1.7</version>
+			<version>1.2.9</version>
 		</dependency>
 		<dependency>
 			<groupId>ch.qos.logback</groupId>