diff --git a/pom.xml b/pom.xml
index d9d6c8c8..fafae476 100644
--- a/pom.xml
+++ b/pom.xml
@@ -84,7 +84,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.13</version>
+      <version>1.5.6</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.apache.velocity/velocity -->
     <dependency>