diff --git a/roster/pom.xml b/roster/pom.xml
index 8514b7b..1901982 100644
--- a/roster/pom.xml
+++ b/roster/pom.xml
@@ -83,6 +83,12 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-mongodb</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.tngtech.archunit</groupId>
+            <artifactId>archunit-junit4</artifactId>
+            <version>0.22.0</version>
+            <scope>test</scope>
+        </dependency>
 
 
         <dependency>
diff --git a/roster/src/test/java/ch/unisg/roster/DependencyRuleTests.java b/roster/src/test/java/ch/unisg/roster/DependencyRuleTests.java
new file mode 100644
index 0000000..fd64ed5
--- /dev/null
+++ b/roster/src/test/java/ch/unisg/roster/DependencyRuleTests.java
@@ -0,0 +1,20 @@
+package ch.unisg.roster;
+
+import com.tngtech.archunit.core.importer.ClassFileImporter;
+import org.junit.jupiter.api.Test;
+
+import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.noClasses;
+
+public class DependencyRuleTests {
+    @Test
+    void testPackageDependencies() {
+        noClasses()
+            .that()
+            .resideInAPackage("ch.unisg.roster.roster.domain..")
+            .should()
+            .dependOnClassesThat()
+            .resideInAnyPackage("ch.unisg.roster.roster.application..")
+            .check(new ClassFileImporter()
+                .importPackages("ch.unisg.roster.roster.."));
+    }
+}
diff --git a/roster/src/test/java/ch/unisg/roster/RosterApplicationTests.java b/roster/src/test/java/ch/unisg/roster/RosterApplicationTests.java
deleted file mode 100644
index 5ee712b..0000000
--- a/roster/src/test/java/ch/unisg/roster/RosterApplicationTests.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package ch.unisg.roster;
-
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class RosterApplicationTests {
-
-	@Test
-	void contextLoads() {
-	}
-
-}
diff --git a/tapas-tasks/src/test/java/ch/unisg/tapastasks/TapasTasksApplicationTests.java b/tapas-tasks/src/test/java/ch/unisg/tapastasks/TapasTasksApplicationTests.java
deleted file mode 100644
index a343151..0000000
--- a/tapas-tasks/src/test/java/ch/unisg/tapastasks/TapasTasksApplicationTests.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package ch.unisg.tapastasks;
-
-import ch.unisg.tapastasks.tasks.application.port.out.AddTaskPort;
-import ch.unisg.tapastasks.tasks.application.port.out.NewTaskAddedEventPort;
-import ch.unisg.tapastasks.tasks.application.port.out.TaskListLock;
-import ch.unisg.tapastasks.tasks.application.service.AddNewTaskToTaskListService;
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class TapasTasksApplicationTests {
-
-    @Test
-	void contextLoads() {
-
-	}
-
-}