diff --git a/DataPipeline-Demo-Replace-Log4j-with-SLF4J-in-Maven/pom.xml b/DataPipeline-Demo-Replace-Log4j-with-SLF4J-in-Maven/pom.xml
index bda83bd..166ad79 100644
--- a/DataPipeline-Demo-Replace-Log4j-with-SLF4J-in-Maven/pom.xml
+++ b/DataPipeline-Demo-Replace-Log4j-with-SLF4J-in-Maven/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.3</version>
+            <version>1.2.13</version>
         </dependency>
 
         <dependency>