diff --git a/ddd/pom.xml b/ddd/pom.xml
index 9a0523a4c6..0893523c3b 100644
--- a/ddd/pom.xml
+++ b/ddd/pom.xml
@@ -20,14 +20,20 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-mongodb</artifactId>
         </dependency>
+        <dependency>
+        	<groupId>org.springframework.boot</groupId>
+        	<artifactId>spring-boot-starter-data-cassandra</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
+            <version>5.6.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
+            <version>5.6.0</version>
             <scope>test</scope>
         </dependency>
         <!-- JUnit platform launcher -->
@@ -35,7 +41,7 @@
         <dependency>
             <groupId>org.junit.platform</groupId>
             <artifactId>junit-platform-launcher</artifactId>
-            <version>${junit-platform.version}</version>
+            <version>1.6.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/CassandraConfiguration.java b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/CassandraConfiguration.java
new file mode 100644
index 0000000000..76d7ad1aee
--- /dev/null
+++ b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/CassandraConfiguration.java
@@ -0,0 +1,10 @@
+package com.baeldung.dddhexagonalspring.infrastracture.configuration;
+
+import org.springframework.data.cassandra.repository.config.EnableCassandraRepositories;
+
+import com.baeldung.dddhexagonalspring.infrastracture.repository.SpringDataCassandraOrderRepository;
+
+@EnableCassandraRepositories(basePackageClasses = SpringDataCassandraOrderRepository.class)
+public class CassandraConfiguration {
+
+}
diff --git a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/MongoDBConfiguration.java b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/MongoDBConfiguration.java
index fd76b2eb0e..e0f5e77671 100644
--- a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/MongoDBConfiguration.java
+++ b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/configuration/MongoDBConfiguration.java
@@ -1,8 +1,8 @@
 package com.baeldung.dddhexagonalspring.infrastracture.configuration;
 
-import com.baeldung.dddhexagonalspring.infrastracture.repository.SpringDataOrderRepository;
+import com.baeldung.dddhexagonalspring.infrastracture.repository.SpringDataMongoOrderRepository;
 import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
 
-@EnableMongoRepositories(basePackageClasses = SpringDataOrderRepository.class)
+@EnableMongoRepositories(basePackageClasses = SpringDataMongoOrderRepository.class)
 public class MongoDBConfiguration {
 }
diff --git a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/CassandraDbOrderRepository.java b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/CassandraDbOrderRepository.java
new file mode 100644
index 0000000000..f16a546576
--- /dev/null
+++ b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/CassandraDbOrderRepository.java
@@ -0,0 +1,23 @@
+package com.baeldung.dddhexagonalspring.infrastracture.repository;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import com.baeldung.dddhexagonalspring.domain.Order;
+import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
+
+public class CassandraDbOrderRepository implements OrderRepository {
+
+    @Override
+    public Optional<Order> findById(UUID id) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public void save(Order order) {
+        // TODO Auto-generated method stub
+        
+    }
+
+}
diff --git a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepository.java b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepository.java
index 3123ef3e2f..bde0007ced 100644
--- a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepository.java
+++ b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepository.java
@@ -11,10 +11,10 @@ import java.util.UUID;
 @Component
 public class MongoDbOrderRepository implements OrderRepository {
 
-    private final SpringDataOrderRepository orderRepository;
+    private final SpringDataMongoOrderRepository orderRepository;
 
     @Autowired
-    public MongoDbOrderRepository(final SpringDataOrderRepository orderRepository) {
+    public MongoDbOrderRepository(final SpringDataMongoOrderRepository orderRepository) {
         this.orderRepository = orderRepository;
     }
 
diff --git a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataCassandraOrderRepository.java b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataCassandraOrderRepository.java
new file mode 100644
index 0000000000..9df128f035
--- /dev/null
+++ b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataCassandraOrderRepository.java
@@ -0,0 +1,11 @@
+package com.baeldung.dddhexagonalspring.infrastracture.repository;
+
+import java.util.UUID;
+
+import org.springframework.data.cassandra.repository.CassandraRepository;
+
+import com.baeldung.dddhexagonalspring.domain.Order;
+
+public interface SpringDataCassandraOrderRepository extends CassandraRepository<Order, UUID>{
+
+}
diff --git a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataOrderRepository.java b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataMongoOrderRepository.java
similarity index 76%
rename from ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataOrderRepository.java
rename to ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataMongoOrderRepository.java
index 0279a5ce4a..620ecb34af 100644
--- a/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataOrderRepository.java
+++ b/ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataMongoOrderRepository.java
@@ -7,5 +7,5 @@ import org.springframework.stereotype.Repository;
 import java.util.UUID;
 
 @Repository
-public interface SpringDataOrderRepository extends MongoRepository<Order, UUID> {
+public interface SpringDataMongoOrderRepository extends MongoRepository<Order, UUID> {
 }
diff --git a/ddd/src/main/resources/ddd-layers.properties b/ddd/src/main/resources/ddd-layers.properties
index 0479996b17..3b2aa35efe 100644
--- a/ddd/src/main/resources/ddd-layers.properties
+++ b/ddd/src/main/resources/ddd-layers.properties
@@ -2,4 +2,10 @@ spring.data.mongodb.host=localhost
 spring.data.mongodb.port=27017
 spring.data.mongodb.database=order-database
 spring.data.mongodb.username=order
-spring.data.mongodb.password=order
\ No newline at end of file
+spring.data.mongodb.password=order
+
+spring.data.cassandra.keyspaceName=order-database
+spring.data.cassandra.username=cassandra
+spring.data.cassandra.password=cassandra
+spring.data.cassandra.contactPoints=localhost
+spring.data.cassandra.port=9042
\ No newline at end of file
diff --git a/ddd/src/test/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepositoryUnitTest.java b/ddd/src/test/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepositoryUnitTest.java
index 8f7e8260a3..8247d7c7bd 100644
--- a/ddd/src/test/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepositoryUnitTest.java
+++ b/ddd/src/test/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepositoryUnitTest.java
@@ -14,12 +14,12 @@ import static org.mockito.Mockito.*;
 
 class MongoDbOrderRepositoryUnitTest {
 
-    private SpringDataOrderRepository springDataOrderRepository;
+    private SpringDataMongoOrderRepository springDataOrderRepository;
     private MongoDbOrderRepository tested;
 
     @BeforeEach
     void setUp(){
-        springDataOrderRepository = mock(SpringDataOrderRepository.class);
+        springDataOrderRepository = mock(SpringDataMongoOrderRepository.class);
 
         tested = new MongoDbOrderRepository(springDataOrderRepository);
     }
diff --git a/ddd/src/test/resources/com/baeldung/dddhexagonalspring/docker-compose.yml b/ddd/src/test/resources/com/baeldung/dddhexagonalspring/docker-compose.yml
index d85ddf4a0e..dfad875a2b 100644
--- a/ddd/src/test/resources/com/baeldung/dddhexagonalspring/docker-compose.yml
+++ b/ddd/src/test/resources/com/baeldung/dddhexagonalspring/docker-compose.yml
@@ -11,4 +11,9 @@ services:
       MONGO_INITDB_ROOT_PASSWORD: admin
       MONGO_INITDB_DATABASE: order-database
     volumes:
-      - ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
\ No newline at end of file
+      - ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
+  order-cassandra-database:
+    image: cassandra:3.11.5
+    restart: always
+    ports: 
+        - 9042:9042
\ No newline at end of file