diff --git a/Ex-marshaller-7.73/pom.xml b/Ex-marshaller-7.73/pom.xml
index d84260da..df1bc108 100644
--- a/Ex-marshaller-7.73/pom.xml
+++ b/Ex-marshaller-7.73/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.3</version>
+      <version>1.3.12</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>