diff --git a/ocpp-v1_6-test/pom.xml b/ocpp-v1_6-test/pom.xml
index 70365e5a..d7de0217 100644
--- a/ocpp-v1_6-test/pom.xml
+++ b/ocpp-v1_6-test/pom.xml
@@ -77,7 +77,7 @@
ch.qos.logback
logback-core
- 1.4.14
+ 1.5.6
test
diff --git a/ocpp-v2-test/pom.xml b/ocpp-v2-test/pom.xml
index afded2e5..6fabcb81 100644
--- a/ocpp-v2-test/pom.xml
+++ b/ocpp-v2-test/pom.xml
@@ -103,7 +103,7 @@
ch.qos.logback
logback-core
- 1.4.14
+ 1.5.6
test
diff --git a/ocpp-v2_0-test/pom.xml b/ocpp-v2_0-test/pom.xml
index b5f24fe3..cc41b973 100644
--- a/ocpp-v2_0-test/pom.xml
+++ b/ocpp-v2_0-test/pom.xml
@@ -78,7 +78,7 @@
ch.qos.logback
logback-core
- 1.4.14
+ 1.5.6
test