diff --git a/ocpp-v1_6-test/pom.xml b/ocpp-v1_6-test/pom.xml
index 982ce3b0..7c4f639b 100644
--- a/ocpp-v1_6-test/pom.xml
+++ b/ocpp-v1_6-test/pom.xml
@@ -75,7 +75,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.3.16</version>
+            <version>1.5.25</version>
             <scope>test</scope>
         </dependency>
         <dependency>