diff --git a/pom.xml b/pom.xml
index b86fcf3..f4c2c62 100644
--- a/pom.xml
+++ b/pom.xml
@@ -199,7 +199,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-core</artifactId>
-      <version>1.2.9</version>
+      <version>1.3.15</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>