diff --git a/mokka7-client/pom.xml b/mokka7-client/pom.xml
index ad24d64..7a2490a 100644
--- a/mokka7-client/pom.xml
+++ b/mokka7-client/pom.xml
@@ -35,7 +35,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.2.3</version>
+			<version>1.4.5</version>
 		</dependency>
 	</dependencies>
 
diff --git a/mokka7-samples/pom.xml b/mokka7-samples/pom.xml
index e9ca306..1863217 100644
--- a/mokka7-samples/pom.xml
+++ b/mokka7-samples/pom.xml
@@ -21,7 +21,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.2.3</version>
+			<version>1.4.5</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.guava</groupId>