diff --git a/pom.xml b/pom.xml
index 8768aa7ca..d52678dc3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -114,13 +114,13 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-core</artifactId>
-      <version>1.5.33</version>
+      <version>1.5.34</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.5.33</version>
+      <version>1.5.34</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>