diff --git a/token-client/pom.xml b/token-client/pom.xml
index 68a6e633e..75ffa9d5e 100644
--- a/token-client/pom.xml
+++ b/token-client/pom.xml
@@ -155,7 +155,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
-			<version>1.5.13</version>
+			<version>1.5.19</version>
 			<scope>test</scope>
 		</dependency>
         <dependency>