diff --git a/tck/logs/pom.xml b/tck/logs/pom.xml
index 703bbf6c..a4c361f3 100644
--- a/tck/logs/pom.xml
+++ b/tck/logs/pom.xml
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.5</version>
+            <version>1.5.6</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.slf4j/jul-to-slf4j -->
         <dependency>