diff --git a/pom.xml b/pom.xml
index e40974035..800b461de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -84,7 +84,7 @@
 
     <!-- test dependencies -->
     <version.archunit>0.22.0</version.archunit>
-    <version.equalsverifier>3.9</version.equalsverifier>
+    <version.equalsverifier>3.9.1</version.equalsverifier>
     <version.openpojo>0.9.1</version.openpojo>
     <version.jacoco>0.8.7</version.jacoco>
     <version.slf4j-test>1.2.0</version.slf4j-test>