diff --git a/tests/test-base/pom.xml b/tests/test-base/pom.xml
index 963bc055..ac20c648 100644
--- a/tests/test-base/pom.xml
+++ b/tests/test-base/pom.xml
@@ -95,7 +95,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.5</version>
+            <version>1.5.6</version>
         </dependency>
     </dependencies>
     <build>
diff --git a/tests/test-junit4/pom.xml b/tests/test-junit4/pom.xml
index 6a3a2a2c..fd7ad576 100644
--- a/tests/test-junit4/pom.xml
+++ b/tests/test-junit4/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.5</version>
+            <version>1.5.6</version>
         </dependency>
     </dependencies>