diff --git a/pom.xml b/pom.xml
index 9a4dac6..3b5990e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -409,7 +409,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-core</artifactId>
-      <version>1.5.25</version>
+      <version>1.5.34</version>
       <scope>test</scope>
     </dependency>