diff --git a/pom.xml b/pom.xml
index 24a710b..7f59b4d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -201,7 +201,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.6.3</version>
+            <version>1.6.4</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>