diff --git a/pom.xml b/pom.xml
index 8e897012..2ebe416c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -167,7 +167,7 @@
         <dependency>
             <groupId>nl.jqno.equalsverifier</groupId>
             <artifactId>equalsverifier</artifactId>
-            <version>3.15.1</version>
+            <version>3.15.6</version>
             <scope>test</scope>
         </dependency>
     </dependencies>