diff --git a/pom.xml b/pom.xml
index 1177c6a..4671b88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-classic</artifactId>
-                <version>1.6.3</version>
+                <version>1.6.6</version>
             </dependency>
             <dependency>
                 <groupId>ch.qos.logback</groupId>