diff --git a/app/build.gradle b/app/build.gradle
index 29853035f..87b7144ea 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,7 +28,7 @@ dependencies {
     testImplementation 'org.apache.groovy:groovy:4.0.24'
     testImplementation 'org.spockframework:spock-core:2.3-groovy-4.0'
     testImplementation 'com.openpojo:openpojo:0.9.1'
-    testImplementation 'nl.jqno.equalsverifier:equalsverifier:3.17.5'
+    testImplementation 'nl.jqno.equalsverifier:equalsverifier:3.18'
 }
 
 jacocoTestCoverageVerification {
diff --git a/etor/build.gradle b/etor/build.gradle
index b69534ae7..36f2e2b9e 100644
--- a/etor/build.gradle
+++ b/etor/build.gradle
@@ -19,7 +19,7 @@ dependencies {
     testImplementation 'org.apache.groovy:groovy:4.0.24'
     testImplementation 'org.spockframework:spock-core:2.3-groovy-4.0'
     testImplementation 'com.openpojo:openpojo:0.9.1'
-    testImplementation 'nl.jqno.equalsverifier:equalsverifier:3.17.5'
+    testImplementation 'nl.jqno.equalsverifier:equalsverifier:3.18'
 }
 
 jacocoTestCoverageVerification {
diff --git a/shared/build.gradle b/shared/build.gradle
index cdaa01e52..813149042 100644
--- a/shared/build.gradle
+++ b/shared/build.gradle
@@ -55,7 +55,7 @@ dependencies {
     testFixturesImplementation 'org.apache.groovy:groovy:4.0.24'
     testImplementation 'org.spockframework:spock-core:2.3-groovy-4.0'
     testFixturesImplementation 'com.openpojo:openpojo:0.9.1'
-    testFixturesImplementation 'nl.jqno.equalsverifier:equalsverifier:3.17.5'
+    testFixturesImplementation 'nl.jqno.equalsverifier:equalsverifier:3.18'
 
     // dotenv-java
     implementation 'io.github.cdimascio:dotenv-java:3.1.0'