diff --git a/quickfixj-core/pom.xml b/quickfixj-core/pom.xml
index 2b40e79ebf..64e8dd6fe3 100644
--- a/quickfixj-core/pom.xml
+++ b/quickfixj-core/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>3.12.4</version>
+            <version>5.1.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>