diff --git a/pom.xml b/pom.xml
index 49df6fb9..ad25a46f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.3.14</version>
+      <version>1.5.9</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.apache.velocity/velocity -->
     <dependency>