diff --git a/lib/pom.xml b/lib/pom.xml
index c66fe10..e89ddf6 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -124,7 +124,7 @@
         <dependency>
             <groupId>nl.jqno.equalsverifier</groupId>
             <artifactId>equalsverifier</artifactId>
-            <version>3.19.4</version>
+            <version>4.5</version>
             <scope>test</scope>
         </dependency>
         <dependency>