diff --git a/README.md b/README.md
index 8772ea4..859f296 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,13 @@
 
 OpenAI-compatible RESTful APIs for Amazon Bedrock
 
+## Breaking Changes
+
+The source code is refactored with the new [Converse API](https://docs.aws.amazon.com/bedrock/latest/userguide/conversation-inference.html) by bedrock which provides native support with tool calls.
+
+If you are facing any problems, please raise an issue.
+
+
 ## Overview
 
 Amazon Bedrock offers a wide range of foundation models (such as Claude 3 Opus/Sonnet/Haiku, Llama 2/3, Mistral/Mixtral, 
diff --git a/README_CN.md b/README_CN.md
index 17b7c62..4556304 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -4,6 +4,12 @@
 
 使用兼容OpenAI的API访问Amazon Bedrock
 
+## 重大变更
+
+项目源代码已使用Bedrock提供的新 [Converse API](https://docs.aws.amazon.com/bedrock/latest/userguide/conversation-inference.html) 进行了重构,该API对工具调用提供了原生支持。
+
+如果您遇到任何问题,请提 Github Issue。
+
 ## 概述
 
 Amazon Bedrock提供了广泛的基础模型(如Claude 3 Opus/Sonnet/Haiku、Llama 2/3、Mistral/Mixtral等),以及构建生成式AI应用程序的多种功能。更多详细信息,请查看[Amazon 
diff --git a/src/Dockerfile_ecs b/src/Dockerfile_ecs
index 64331ed..687716f 100644
--- a/src/Dockerfile_ecs
+++ b/src/Dockerfile_ecs
@@ -4,7 +4,7 @@ WORKDIR /app
 
 COPY ./requirements.txt /app/requirements.txt
 
-RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt && pip install --no-cache-dir --upgrade boto3
+RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
 
 COPY ./api /app/api