diff --git a/OCPP-J/pom.xml b/OCPP-J/pom.xml
index 3135a304..5df001b4 100644
--- a/OCPP-J/pom.xml
+++ b/OCPP-J/pom.xml
@@ -84,7 +84,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.13</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/ocpp-common/pom.xml b/ocpp-common/pom.xml
index 56032dce..79352ff3 100644
--- a/ocpp-common/pom.xml
+++ b/ocpp-common/pom.xml
@@ -66,7 +66,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.13</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/ocpp-v1_6-test/pom.xml b/ocpp-v1_6-test/pom.xml
index 42ea517f..ecdab3ed 100644
--- a/ocpp-v1_6-test/pom.xml
+++ b/ocpp-v1_6-test/pom.xml
@@ -83,7 +83,7 @@
 		<dependency>
 		    <groupId>ch.qos.logback</groupId>
 		    <artifactId>logback-classic</artifactId>
-		    <version>1.4.11</version>
+		    <version>1.4.13</version>
 		    <scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/ocpp-v1_6/pom.xml b/ocpp-v1_6/pom.xml
index 393d9965..de6a33c7 100644
--- a/ocpp-v1_6/pom.xml
+++ b/ocpp-v1_6/pom.xml
@@ -83,7 +83,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.13</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/ocpp-v2-test/pom.xml b/ocpp-v2-test/pom.xml
index 4c7b652b..0a45b73e 100644
--- a/ocpp-v2-test/pom.xml
+++ b/ocpp-v2-test/pom.xml
@@ -109,7 +109,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.13</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/ocpp-v2/pom.xml b/ocpp-v2/pom.xml
index 09f64116..27f65595 100644
--- a/ocpp-v2/pom.xml
+++ b/ocpp-v2/pom.xml
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.13</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/ocpp-v2_0-test/pom.xml b/ocpp-v2_0-test/pom.xml
index 7c5210a8..377f21a3 100644
--- a/ocpp-v2_0-test/pom.xml
+++ b/ocpp-v2_0-test/pom.xml
@@ -84,7 +84,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.11</version>
+            <version>1.4.13</version>
             <scope>test</scope>
         </dependency>
         <dependency>