diff --git a/MSGViewer/pom.xml b/MSGViewer/pom.xml
index f370d2b..ee01a95 100644
--- a/MSGViewer/pom.xml
+++ b/MSGViewer/pom.xml
@@ -148,7 +148,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-junit-jupiter</artifactId>
-            <version>5.5.0</version>
+            <version>5.6.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>