diff --git a/pom.xml b/pom.xml
index 5301ce3..4188a41 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,7 +91,7 @@
         <dependency>
             <groupId>nl.jqno.equalsverifier</groupId>
             <artifactId>equalsverifier</artifactId>
-            <version>3.19.4</version>
+            <version>4.0.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>