diff --git a/aws-lambda-project/docker/docker-compose.yml b/aws-lambda-project/docker/docker-compose.yml
index 517a2050..0ac24ade 100644
--- a/aws-lambda-project/docker/docker-compose.yml
+++ b/aws-lambda-project/docker/docker-compose.yml
@@ -13,7 +13,7 @@ services:
       - aws-lambda
 
   localstack:
-    image: localstack/localstack:3.8.1
+    image: localstack/localstack:4.0.3
     ports:
       - "127.0.0.1:4566:4566"            # LocalStack Gateway
       - "127.0.0.1:4510-4559:4510-4559"  # external services port range
diff --git a/aws-lambda-project/pom.xml b/aws-lambda-project/pom.xml
index bb3d6922..91eac917 100644
--- a/aws-lambda-project/pom.xml
+++ b/aws-lambda-project/pom.xml
@@ -20,7 +20,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
         <java.version>21</java.version>
-        <spring-cloud.version>2023.0.4</spring-cloud.version>
+        <spring-cloud.version>2024.0.0</spring-cloud.version>
         <spring-cloud-aws.version>3.2.1</spring-cloud-aws.version>
         <springdoc-openapi.version>2.2.0</springdoc-openapi.version>
         <wrapper.version>1.0.31.RELEASE</wrapper.version>
diff --git a/aws-lambda-project/src/test/java/com/learning/awslambda/ApplicationIntegrationTest.java b/aws-lambda-project/src/test/java/com/learning/awslambda/ApplicationIntegrationTest.java
index e0ff2e53..1ab43a93 100644
--- a/aws-lambda-project/src/test/java/com/learning/awslambda/ApplicationIntegrationTest.java
+++ b/aws-lambda-project/src/test/java/com/learning/awslambda/ApplicationIntegrationTest.java
@@ -57,14 +57,14 @@ class ApplicationIntegrationTest {
     static Network network = Network.newNetwork();
 
     @Container
-    static PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("postgres:16.4-alpine")
+    static PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("postgres:17.2-alpine")
             .withNetwork(network)
             .withNetworkAliases("postgres")
             .withReuse(true);
 
     @Container
     static LocalStackContainer localstack = new LocalStackContainer(
-                    DockerImageName.parse("localstack/localstack").withTag("3.7.2"))
+                    DockerImageName.parse("localstack/localstack").withTag("4.0.3"))
             .withNetwork(network)
             .withEnv("LOCALSTACK_HOST", "localhost.localstack.cloud")
             .withEnv("LAMBDA_DOCKER_NETWORK", ((Network.NetworkImpl) network).getName())
diff --git a/aws-lambda-project/src/test/java/com/learning/awslambda/SchemaValidationTest.java b/aws-lambda-project/src/test/java/com/learning/awslambda/SchemaValidationTest.java
index 1da30620..c891e890 100644
--- a/aws-lambda-project/src/test/java/com/learning/awslambda/SchemaValidationTest.java
+++ b/aws-lambda-project/src/test/java/com/learning/awslambda/SchemaValidationTest.java
@@ -1,14 +1,24 @@
 package com.learning.awslambda;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 import com.learning.awslambda.common.ContainersConfig;
+import com.zaxxer.hikari.HikariDataSource;
+import javax.sql.DataSource;
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
 import org.springframework.context.annotation.Import;
 
-@DataJpaTest(properties = {"spring.jpa.hibernate.ddl-auto=validate", "spring.test.database.replace=none"})
+@DataJpaTest(properties = {"spring.jpa.hibernate.ddl-auto=validate"})
 @Import(ContainersConfig.class)
 class SchemaValidationTest {
 
+    @Autowired
+    DataSource dataSource;
+
     @Test
-    void validateJpaMappingsWithDbSchema() {}
+    void validateJpaMappingsWithDbSchema() {
+        assertThat(dataSource).isInstanceOf(HikariDataSource.class);
+    }
 }
diff --git a/aws-lambda-project/src/test/java/com/learning/awslambda/common/ContainersConfig.java b/aws-lambda-project/src/test/java/com/learning/awslambda/common/ContainersConfig.java
index 2c003583..2aafa64b 100644
--- a/aws-lambda-project/src/test/java/com/learning/awslambda/common/ContainersConfig.java
+++ b/aws-lambda-project/src/test/java/com/learning/awslambda/common/ContainersConfig.java
@@ -12,6 +12,6 @@ public class ContainersConfig {
     @Bean
     @ServiceConnection
     PostgreSQLContainer<?> postgreSQLContainer() {
-        return new PostgreSQLContainer<>(DockerImageName.parse("postgres:17.0-alpine"));
+        return new PostgreSQLContainer<>(DockerImageName.parse("postgres:17.2-alpine"));
     }
 }
diff --git a/aws-lambda-project/src/test/java/com/learning/awslambda/web/controllers/ActorControllerTest.java b/aws-lambda-project/src/test/java/com/learning/awslambda/web/controllers/ActorControllerTest.java
index 112e9a0e..d5d07547 100644
--- a/aws-lambda-project/src/test/java/com/learning/awslambda/web/controllers/ActorControllerTest.java
+++ b/aws-lambda-project/src/test/java/com/learning/awslambda/web/controllers/ActorControllerTest.java
@@ -17,8 +17,8 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
-import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
 import org.springframework.test.web.servlet.MockMvc;
 
 @WebMvcTest(controllers = ActorController.class)
@@ -28,7 +28,7 @@ class ActorControllerTest {
     @Autowired
     private MockMvc mockMvc;
 
-    @MockBean
+    @MockitoBean
     private ActorService actorService;
 
     @Autowired