diff --git a/langchain4j-azure-open-ai-spring-boot-starter/pom.xml b/langchain4j-azure-open-ai-spring-boot-starter/pom.xml
index f08c4dc..f642244 100644
--- a/langchain4j-azure-open-ai-spring-boot-starter/pom.xml
+++ b/langchain4j-azure-open-ai-spring-boot-starter/pom.xml
@@ -34,13 +34,6 @@
             <optional>true</optional>
         </dependency>
 
-        <!-- should be listed before spring-boot-configuration-processor -->
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <scope>provided</scope>
-        </dependency>
-
         <!-- needed to generate automatic metadata about available config properties -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/AutoConfig.java b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/AutoConfig.java
index 1515fb6..6d96d79 100644
--- a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/AutoConfig.java
+++ b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/AutoConfig.java
@@ -30,30 +30,30 @@ AzureOpenAiChatModel openAiChatModelByNonAzureApiKey(Properties properties) {
     }
 
     AzureOpenAiChatModel openAiChatModel(Properties properties) {
-        ChatModelProperties chatModelProperties = properties.getChatModel();
+        ChatModelProperties chatModelProperties = properties.chatModel();
         AzureOpenAiChatModel.Builder builder = AzureOpenAiChatModel.builder()
-                .endpoint(chatModelProperties.getEndpoint())
-                .serviceVersion(chatModelProperties.getServiceVersion())
-                .apiKey(chatModelProperties.getApiKey())
-                .deploymentName(chatModelProperties.getDeploymentName())
+                .endpoint(chatModelProperties.endpoint())
+                .serviceVersion(chatModelProperties.serviceVersion())
+                .apiKey(chatModelProperties.apiKey())
+                .deploymentName(chatModelProperties.deploymentName())
                 // TODO inject tokenizer?
-                .maxTokens(chatModelProperties.getMaxTokens())
-                .temperature(chatModelProperties.getTemperature())
-                .topP(chatModelProperties.getTopP())
-                .logitBias(chatModelProperties.getLogitBias())
-                .user(chatModelProperties.getUser())
-                .stop(chatModelProperties.getStop())
-                .presencePenalty(chatModelProperties.getPresencePenalty())
-                .frequencyPenalty(chatModelProperties.getFrequencyPenalty())
-                .seed(chatModelProperties.getSeed())
-                .timeout(Duration.ofSeconds(chatModelProperties.getTimeout() == null ? 0 : chatModelProperties.getTimeout()))
-                .maxRetries(chatModelProperties.getMaxRetries())
+                .maxTokens(chatModelProperties.maxTokens())
+                .temperature(chatModelProperties.temperature())
+                .topP(chatModelProperties.topP())
+                .logitBias(chatModelProperties.logitBias())
+                .user(chatModelProperties.user())
+                .stop(chatModelProperties.stop())
+                .presencePenalty(chatModelProperties.presencePenalty())
+                .frequencyPenalty(chatModelProperties.frequencyPenalty())
+                .seed(chatModelProperties.seed())
+                .timeout(Duration.ofSeconds(chatModelProperties.timeout() == null ? 0 : chatModelProperties.timeout()))
+                .maxRetries(chatModelProperties.maxRetries())
                 .proxyOptions(ProxyOptions.fromConfiguration(Configuration.getGlobalConfiguration()))
-                .logRequestsAndResponses(chatModelProperties.getLogRequestsAndResponses() != null && chatModelProperties.getLogRequestsAndResponses())
-                .userAgentSuffix(chatModelProperties.getUserAgentSuffix())
-                .customHeaders(chatModelProperties.getCustomHeaders());
-        if (chatModelProperties.getNonAzureApiKey() != null) {
-            builder.nonAzureApiKey(chatModelProperties.getNonAzureApiKey());
+                .logRequestsAndResponses(chatModelProperties.logRequestsAndResponses() != null && chatModelProperties.logRequestsAndResponses())
+                .userAgentSuffix(chatModelProperties.userAgentSuffix())
+                .customHeaders(chatModelProperties.customHeaders());
+        if (chatModelProperties.nonAzureApiKey() != null) {
+            builder.nonAzureApiKey(chatModelProperties.nonAzureApiKey());
         }
         return builder.build();
     }
@@ -71,30 +71,30 @@ AzureOpenAiStreamingChatModel openAiStreamingChatModelByNonAzureApiKey(Propertie
     }
 
     AzureOpenAiStreamingChatModel openAiStreamingChatModel(Properties properties) {
-        ChatModelProperties chatModelProperties = properties.getStreamingChatModel();
+        ChatModelProperties chatModelProperties = properties.streamingChatModel();
         AzureOpenAiStreamingChatModel.Builder builder = AzureOpenAiStreamingChatModel.builder()
-                .endpoint(chatModelProperties.getEndpoint())
-                .serviceVersion(chatModelProperties.getServiceVersion())
-                .apiKey(chatModelProperties.getApiKey())
-                .deploymentName(chatModelProperties.getDeploymentName())
+                .endpoint(chatModelProperties.endpoint())
+                .serviceVersion(chatModelProperties.serviceVersion())
+                .apiKey(chatModelProperties.apiKey())
+                .deploymentName(chatModelProperties.deploymentName())
                 // TODO inject tokenizer?
-                .maxTokens(chatModelProperties.getMaxTokens())
-                .temperature(chatModelProperties.getTemperature())
-                .topP(chatModelProperties.getTopP())
-                .logitBias(chatModelProperties.getLogitBias())
-                .user(chatModelProperties.getUser())
-                .stop(chatModelProperties.getStop())
-                .presencePenalty(chatModelProperties.getPresencePenalty())
-                .frequencyPenalty(chatModelProperties.getFrequencyPenalty())
-                .seed(chatModelProperties.getSeed())
-                .timeout(Duration.ofSeconds(chatModelProperties.getTimeout() == null ? 0 : chatModelProperties.getTimeout()))
-                .maxRetries(chatModelProperties.getMaxRetries())
+                .maxTokens(chatModelProperties.maxTokens())
+                .temperature(chatModelProperties.temperature())
+                .topP(chatModelProperties.topP())
+                .logitBias(chatModelProperties.logitBias())
+                .user(chatModelProperties.user())
+                .stop(chatModelProperties.stop())
+                .presencePenalty(chatModelProperties.presencePenalty())
+                .frequencyPenalty(chatModelProperties.frequencyPenalty())
+                .seed(chatModelProperties.seed())
+                .timeout(Duration.ofSeconds(chatModelProperties.timeout() == null ? 0 : chatModelProperties.timeout()))
+                .maxRetries(chatModelProperties.maxRetries())
                 .proxyOptions(ProxyOptions.fromConfiguration(Configuration.getGlobalConfiguration()))
-                .logRequestsAndResponses(chatModelProperties.getLogRequestsAndResponses() != null && chatModelProperties.getLogRequestsAndResponses())
-                .userAgentSuffix(chatModelProperties.getUserAgentSuffix())
-                .customHeaders(chatModelProperties.getCustomHeaders());
-        if (chatModelProperties.getNonAzureApiKey() != null) {
-            builder.nonAzureApiKey(chatModelProperties.getNonAzureApiKey());
+                .logRequestsAndResponses(chatModelProperties.logRequestsAndResponses() != null && chatModelProperties.logRequestsAndResponses())
+                .userAgentSuffix(chatModelProperties.userAgentSuffix())
+                .customHeaders(chatModelProperties.customHeaders());
+        if (chatModelProperties.nonAzureApiKey() != null) {
+            builder.nonAzureApiKey(chatModelProperties.nonAzureApiKey());
         }
         return builder.build();
     }
@@ -112,22 +112,22 @@ AzureOpenAiEmbeddingModel openAiEmbeddingModelByNonAzureApiKey(Properties proper
     }
 
     AzureOpenAiEmbeddingModel openAiEmbeddingModel(Properties properties, Tokenizer tokenizer) {
-        EmbeddingModelProperties embeddingModelProperties = properties.getEmbeddingModel();
+        EmbeddingModelProperties embeddingModelProperties = properties.embeddingModel();
         AzureOpenAiEmbeddingModel.Builder builder = AzureOpenAiEmbeddingModel.builder()
-                .endpoint(embeddingModelProperties.getEndpoint())
-                .serviceVersion(embeddingModelProperties.getServiceVersion())
-                .apiKey(embeddingModelProperties.getApiKey())
-                .deploymentName(embeddingModelProperties.getDeploymentName())
+                .endpoint(embeddingModelProperties.endpoint())
+                .serviceVersion(embeddingModelProperties.serviceVersion())
+                .apiKey(embeddingModelProperties.apiKey())
+                .deploymentName(embeddingModelProperties.deploymentName())
                 .tokenizer(tokenizer)
-                .timeout(Duration.ofSeconds(embeddingModelProperties.getTimeout() == null ? 0 : embeddingModelProperties.getTimeout()))
-                .maxRetries(embeddingModelProperties.getMaxRetries())
+                .timeout(Duration.ofSeconds(embeddingModelProperties.timeout() == null ? 0 : embeddingModelProperties.timeout()))
+                .maxRetries(embeddingModelProperties.maxRetries())
                 .proxyOptions(ProxyOptions.fromConfiguration(Configuration.getGlobalConfiguration()))
-                .logRequestsAndResponses(embeddingModelProperties.getLogRequestsAndResponses() != null && embeddingModelProperties.getLogRequestsAndResponses())
-                .userAgentSuffix(embeddingModelProperties.getUserAgentSuffix())
-                .dimensions(embeddingModelProperties.getDimensions())
-                .customHeaders(embeddingModelProperties.getCustomHeaders());
-        if (embeddingModelProperties.getNonAzureApiKey() != null) {
-            builder.nonAzureApiKey(embeddingModelProperties.getNonAzureApiKey());
+                .logRequestsAndResponses(embeddingModelProperties.logRequestsAndResponses() != null && embeddingModelProperties.logRequestsAndResponses())
+                .userAgentSuffix(embeddingModelProperties.userAgentSuffix())
+                .dimensions(embeddingModelProperties.dimensions())
+                .customHeaders(embeddingModelProperties.customHeaders());
+        if (embeddingModelProperties.nonAzureApiKey() != null) {
+            builder.nonAzureApiKey(embeddingModelProperties.nonAzureApiKey());
         }
         return builder.build();
     }
@@ -145,25 +145,25 @@ AzureOpenAiImageModel openAiImageModelByNonAzureApiKey(Properties properties) {
     }
 
     AzureOpenAiImageModel openAiImageModel(Properties properties) {
-        ImageModelProperties imageModelProperties = properties.getImageModel();
+        ImageModelProperties imageModelProperties = properties.imageModel();
         AzureOpenAiImageModel.Builder builder = AzureOpenAiImageModel.builder()
-                .endpoint(imageModelProperties.getEndpoint())
-                .serviceVersion(imageModelProperties.getServiceVersion())
-                .apiKey(imageModelProperties.getApiKey())
-                .deploymentName(imageModelProperties.getDeploymentName())
-                .quality(imageModelProperties.getQuality())
-                .size(imageModelProperties.getSize())
-                .user(imageModelProperties.getUser())
-                .style(imageModelProperties.getStyle())
-                .responseFormat(imageModelProperties.getResponseFormat())
-                .timeout(imageModelProperties.getTimeout() == null ? null : Duration.ofSeconds(imageModelProperties.getTimeout()))
-                .maxRetries(imageModelProperties.getMaxRetries())
+                .endpoint(imageModelProperties.endpoint())
+                .serviceVersion(imageModelProperties.serviceVersion())
+                .apiKey(imageModelProperties.apiKey())
+                .deploymentName(imageModelProperties.deploymentName())
+                .quality(imageModelProperties.quality())
+                .size(imageModelProperties.size())
+                .user(imageModelProperties.user())
+                .style(imageModelProperties.style())
+                .responseFormat(imageModelProperties.responseFormat())
+                .timeout(imageModelProperties.timeout() == null ? null : Duration.ofSeconds(imageModelProperties.timeout()))
+                .maxRetries(imageModelProperties.maxRetries())
                 .proxyOptions(ProxyOptions.fromConfiguration(Configuration.getGlobalConfiguration()))
-                .logRequestsAndResponses(imageModelProperties.getLogRequestsAndResponses() != null && imageModelProperties.getLogRequestsAndResponses())
-                .userAgentSuffix(imageModelProperties.getUserAgentSuffix())
-                .customHeaders(imageModelProperties.getCustomHeaders());
-        if (imageModelProperties.getNonAzureApiKey() != null) {
-            builder.nonAzureApiKey(imageModelProperties.getNonAzureApiKey());
+                .logRequestsAndResponses(imageModelProperties.logRequestsAndResponses() != null && imageModelProperties.logRequestsAndResponses())
+                .userAgentSuffix(imageModelProperties.userAgentSuffix())
+                .customHeaders(imageModelProperties.customHeaders());
+        if (imageModelProperties.nonAzureApiKey() != null) {
+            builder.nonAzureApiKey(imageModelProperties.nonAzureApiKey());
         }
         return builder.build();
     }
diff --git a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ChatModelProperties.java b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ChatModelProperties.java
index 4535e47..5835406 100644
--- a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ChatModelProperties.java
+++ b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ChatModelProperties.java
@@ -1,33 +1,29 @@
 package dev.langchain4j.azure.openai.spring;
 
-import lombok.Getter;
-import lombok.Setter;
-
 import java.util.List;
 import java.util.Map;
 
-@Getter
-@Setter
-class ChatModelProperties {
+record ChatModelProperties(
 
-    String endpoint;
-    String serviceVersion;
-    String apiKey;
-    String deploymentName;
-    Integer maxTokens;
-    Double temperature;
-    Double topP;
-    Map<String, Integer> logitBias;
-    String user;
-    List<String> stop;
-    Double presencePenalty;
-    Double frequencyPenalty;
-    Long seed;
-    String responseFormat;
-    Integer timeout; // TODO use Duration instead
-    Integer maxRetries;
-    Boolean logRequestsAndResponses;
-    String userAgentSuffix;
-    Map<String, String> customHeaders;
-    String nonAzureApiKey;
+    String endpoint,
+    String serviceVersion,
+    String apiKey,
+    String deploymentName,
+    Integer maxTokens,
+    Double temperature,
+    Double topP,
+    Map<String, Integer> logitBias,
+    String user,
+    List<String> stop,
+    Double presencePenalty,
+    Double frequencyPenalty,
+    Long seed,
+    String responseFormat,
+    Integer timeout, // TODO use Duration instead
+    Integer maxRetries,
+    Boolean logRequestsAndResponses,
+    String userAgentSuffix,
+    Map<String, String> customHeaders,
+    String nonAzureApiKey
+) {
 }
\ No newline at end of file
diff --git a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/EmbeddingModelProperties.java b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/EmbeddingModelProperties.java
index 7522e95..daea633 100644
--- a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/EmbeddingModelProperties.java
+++ b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/EmbeddingModelProperties.java
@@ -1,23 +1,19 @@
 package dev.langchain4j.azure.openai.spring;
 
-import lombok.Getter;
-import lombok.Setter;
-
 import java.util.Map;
 
-@Getter
-@Setter
-class EmbeddingModelProperties {
+record EmbeddingModelProperties(
 
-    String endpoint;
-    String serviceVersion;
-    String apiKey;
-    String deploymentName;
-    Integer timeout; // TODO use duration instead
-    Integer maxRetries;
-    Boolean logRequestsAndResponses;
-    String userAgentSuffix;
-    Integer dimensions;
-    Map<String, String> customHeaders;
-    String nonAzureApiKey;
+    String endpoint,
+    String serviceVersion,
+    String apiKey,
+    String deploymentName,
+    Integer timeout, // TODO use duration instead
+    Integer maxRetries,
+    Boolean logRequestsAndResponses,
+    String userAgentSuffix,
+    Integer dimensions,
+    Map<String, String> customHeaders,
+    String nonAzureApiKey
+) {
 }
\ No newline at end of file
diff --git a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ImageModelProperties.java b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ImageModelProperties.java
index aadfcf3..a7299a6 100644
--- a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ImageModelProperties.java
+++ b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/ImageModelProperties.java
@@ -1,27 +1,23 @@
 package dev.langchain4j.azure.openai.spring;
 
-import lombok.Getter;
-import lombok.Setter;
-
 import java.util.Map;
 
-@Getter
-@Setter
-class ImageModelProperties {
+record ImageModelProperties(
 
-    String endpoint;
-    String serviceVersion;
-    String apiKey;
-    String deploymentName;
-    String quality;
-    String size;
-    String user;
-    String style;
-    String responseFormat;
-    Integer timeout;
-    Integer maxRetries;
-    Boolean logRequestsAndResponses;
-    String userAgentSuffix;
-    Map<String, String> customHeaders;
-    String nonAzureApiKey;
+    String endpoint,
+    String serviceVersion,
+    String apiKey,
+    String deploymentName,
+    String quality,
+    String size,
+    String user,
+    String style,
+    String responseFormat,
+    Integer timeout,
+    Integer maxRetries,
+    Boolean logRequestsAndResponses,
+    String userAgentSuffix,
+    Map<String, String> customHeaders,
+    String nonAzureApiKey
+){
 }
\ No newline at end of file
diff --git a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/Properties.java b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/Properties.java
index da11552..c0e350b 100644
--- a/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/Properties.java
+++ b/langchain4j-azure-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/azure/openai/spring/Properties.java
@@ -1,26 +1,22 @@
 package dev.langchain4j.azure.openai.spring;
 
-import lombok.Getter;
-import lombok.Setter;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 
-@Getter
-@Setter
 @ConfigurationProperties(prefix = Properties.PREFIX)
-public class Properties {
-
-    static final String PREFIX = "langchain4j.azure-open-ai";
+public record Properties(
 
     @NestedConfigurationProperty
-    ChatModelProperties chatModel;
+    ChatModelProperties chatModel,
 
     @NestedConfigurationProperty
-    ChatModelProperties streamingChatModel;
+    ChatModelProperties streamingChatModel,
 
     @NestedConfigurationProperty
-    EmbeddingModelProperties embeddingModel;
+    EmbeddingModelProperties embeddingModel,
 
     @NestedConfigurationProperty
-    ImageModelProperties imageModel;
+    ImageModelProperties imageModel
+) {
+    static final String PREFIX = "langchain4j.azure-open-ai";
 }