diff --git a/pmptest/pom.xml b/pmptest/pom.xml
index d61c78ec7..5ae19c41f 100644
--- a/pmptest/pom.xml
+++ b/pmptest/pom.xml
@@ -502,7 +502,7 @@
 <dependency>
     <groupId>ch.qos.logback</groupId>
     <artifactId>logback-core</artifactId>
-    <version>1.2.6</version>
+    <version>1.2.13</version>
 </dependency>
 <dependency>
     <groupId>org.slf4j</groupId>