diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2a14615..3a98d32 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -32,7 +32,7 @@ google-genai>=2.0.1
 xai-sdk>=1.7.0
 volcengine-python-sdk[ark]>=5.0.26
 # Ollama Python SDK——agentscope OllamaChatModel 内部调用 ollama.AsyncClient，不装则运行时报 ModuleNotFoundError
-ollama>=0.4.0
+ollama>=0.6.2
 httpx>=0.27.0
 python-frontmatter>=1.1.0
 packaging>=23.0