diff --git a/pyproject.toml b/pyproject.toml
index c9240cd04e2..0f201522acd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
     "beautifulsoup4==4.13.4",
     "jieba==0.42.1",
     "langchain==1.2.15",
-    "langchain-core==1.3.0",
+    "langchain-core==1.3.3",
     "langchain-openai==1.2.0",
     "langchain-anthropic==1.4.1",
     "langchain-community==0.4.1",