diff --git a/pom.xml b/pom.xml
index 4cf21d0..cf96b00 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
            <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-classic</artifactId>
-                <version>1.5.8</version>
+                <version>1.5.9</version>
                 <scope>provided</scope>
             </dependency>
             <dependency>