diff --git a/rag/rag-springai-openai-llm/pom.xml b/rag/rag-springai-openai-llm/pom.xml
index 801c3be..670b46f 100644
--- a/rag/rag-springai-openai-llm/pom.xml
+++ b/rag/rag-springai-openai-llm/pom.xml
@@ -45,6 +45,11 @@
             <groupId>org.springframework.ai</groupId>
             <artifactId>spring-ai-tika-document-reader</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-compress</artifactId>
+            <version>1.27.1</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.retry</groupId>
             <artifactId>spring-retry</artifactId>
diff --git a/rag/rag-springai-openai-llm/src/main/java/com/learning/ai/llmragwithspringai/config/ResponseHeadersModification.java b/rag/rag-springai-openai-llm/src/main/java/com/learning/ai/llmragwithspringai/config/ResponseHeadersModification.java
index 2fb9e2c..2a51457 100644
--- a/rag/rag-springai-openai-llm/src/main/java/com/learning/ai/llmragwithspringai/config/ResponseHeadersModification.java
+++ b/rag/rag-springai-openai-llm/src/main/java/com/learning/ai/llmragwithspringai/config/ResponseHeadersModification.java
@@ -9,8 +9,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
-import org.springframework.boot.web.client.ClientHttpRequestFactories;
-import org.springframework.boot.web.client.ClientHttpRequestFactorySettings;
+import org.springframework.boot.http.client.ClientHttpRequestFactoryBuilder;
 import org.springframework.boot.web.client.RestClientCustomizer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -34,7 +33,7 @@ class ResponseHeadersModification {
     RestClientCustomizer restClientCustomizer() {
         return restClientBuilder -> restClientBuilder
                 .requestFactory(new BufferingClientHttpRequestFactory(
-                        ClientHttpRequestFactories.get(ClientHttpRequestFactorySettings.DEFAULTS)))
+                        ClientHttpRequestFactoryBuilder.detect().build()))
                 .requestInterceptor((request, body, execution) -> {
                     logRequest(request, body);
                     ClientHttpResponse response = execution.execute(request, body);
diff --git a/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/TestLlmRagWithSpringAiApplication.java b/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/TestLlmRagWithSpringAiApplication.java
index a7d8650..87bf7f7 100644
--- a/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/TestLlmRagWithSpringAiApplication.java
+++ b/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/TestLlmRagWithSpringAiApplication.java
@@ -1,24 +1,13 @@
 package com.learning.ai.llmragwithspringai;
 
+import com.learning.ai.llmragwithspringai.config.ContainersConfig;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
-import org.springframework.context.annotation.Bean;
-import org.testcontainers.containers.PostgreSQLContainer;
-import org.testcontainers.utility.DockerImageName;
 
-@TestConfiguration(proxyBeanMethods = false)
 public class TestLlmRagWithSpringAiApplication {
 
-    @Bean
-    @ServiceConnection
-    PostgreSQLContainer<?> pgvectorContainer() {
-        return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"));
-    }
-
     public static void main(String[] args) {
         SpringApplication.from(LlmRagWithSpringAiApplication::main)
-                .with(TestLlmRagWithSpringAiApplication.class)
+                .with(ContainersConfig.class)
                 .run(args);
     }
 }
diff --git a/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/AbstractIntegrationTest.java b/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/AbstractIntegrationTest.java
index 81ed342..d462194 100644
--- a/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/AbstractIntegrationTest.java
+++ b/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/AbstractIntegrationTest.java
@@ -2,22 +2,9 @@
 
 import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.learning.ai.llmragwithspringai.TestLlmRagWithSpringAiApplication;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.web.servlet.MockMvc;
 
 @SpringBootTest(
         webEnvironment = RANDOM_PORT,
-        classes = {TestLlmRagWithSpringAiApplication.class})
-@AutoConfigureMockMvc
-public abstract class AbstractIntegrationTest {
-
-    @Autowired
-    protected MockMvc mockMvc;
-
-    @Autowired
-    protected ObjectMapper objectMapper;
-}
+        classes = {ContainersConfig.class})
+public abstract class AbstractIntegrationTest {}
diff --git a/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/ContainersConfig.java b/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/ContainersConfig.java
new file mode 100644
index 0000000..19faef0
--- /dev/null
+++ b/rag/rag-springai-openai-llm/src/test/java/com/learning/ai/llmragwithspringai/config/ContainersConfig.java
@@ -0,0 +1,17 @@
+package com.learning.ai.llmragwithspringai.config;
+
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.context.annotation.Bean;
+import org.testcontainers.containers.PostgreSQLContainer;
+import org.testcontainers.utility.DockerImageName;
+
+@TestConfiguration(proxyBeanMethods = false)
+public class ContainersConfig {
+
+    @Bean
+    @ServiceConnection
+    PostgreSQLContainer<?> pgvectorContainer() {
+        return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"));
+    }
+}