diff --git a/pom.xml b/pom.xml
index b98db7f..6826ec1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.1.11</version>
+            <version>1.2.9</version>
         </dependency>
 
         <!-- has major version 4.1.12 (inentionally NOT in test scope) -->