diff --git a/tool/pom.xml b/tool/pom.xml
index 9e1d2a29..e96ffd17 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -78,7 +78,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.5.1</version>
+        <version>1.5.3</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>