diff --git a/backend/requirements.txt b/backend/requirements.txt
index baa91db..11db975 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -12,14 +12,13 @@ pydantic==2.5.3
 pydantic-settings==2.1.0
 
 # AI服务
-openai==1.10.0
-anthropic==0.18.0
+openai==2.7.0
+anthropic==0.72.0
 
 # 工具库
-httpx==0.26.0
+httpx==0.28.1
 python-dotenv==1.0.0
 
 # 向量数据库和Embedding (长期记忆系统)
-chromadb>=0.5.0
-sentence-transformers>=2.3.1
-numpy==1.26.4
\ No newline at end of file
+chromadb==1.3.2
+sentence-transformers>=2.3.1
\ No newline at end of file