diff --git a/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/GenerateOoziePropertiesMojoTest.java b/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/GenerateOoziePropertiesMojoTest.java
index 594079928e..a2cb8e0f1e 100644
--- a/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/GenerateOoziePropertiesMojoTest.java
+++ b/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/GenerateOoziePropertiesMojoTest.java
@@ -5,8 +5,7 @@ import org.junit.jupiter.api.Test;
 
 import static eu.dnetlib.maven.plugin.properties.GenerateOoziePropertiesMojo.PROPERTY_NAME_SANDBOX_NAME;
 import static eu.dnetlib.maven.plugin.properties.GenerateOoziePropertiesMojo.PROPERTY_NAME_WF_SOURCE_DIR;
-import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertNull;
+import static org.junit.jupiter.api.Assertions.*;
 
 /**
  * @author mhorst, claudio.atzori
diff --git a/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/WritePredefinedProjectPropertiesTest.java b/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/WritePredefinedProjectPropertiesTest.java
index 8016825acb..4b72130787 100644
--- a/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/WritePredefinedProjectPropertiesTest.java
+++ b/dhp-build/dhp-build-properties-maven-plugin/src/test/java/eu/dnetlib/maven/plugin/properties/WritePredefinedProjectPropertiesTest.java
@@ -13,7 +13,7 @@ import java.io.*;
 import java.util.Properties;
 
 import static eu.dnetlib.maven.plugin.properties.WritePredefinedProjectProperties.PROPERTY_PREFIX_ENV;
-import static junit.framework.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.lenient;