diff --git a/src/bisheng-langchain/experimental/document_ie_v2/scripts/requirements.txt b/src/bisheng-langchain/experimental/document_ie_v2/scripts/requirements.txt
index 0074e11ca..d707dff15 100644
--- a/src/bisheng-langchain/experimental/document_ie_v2/scripts/requirements.txt
+++ b/src/bisheng-langchain/experimental/document_ie_v2/scripts/requirements.txt
@@ -2,4 +2,7 @@ gradio
 colorlog
 flask
 pydantic==1.10.13
-bisheng-langchain==0.3.0
\ No newline at end of file
+bisheng-langchain==0.3.0
+filelock>=3.20.3 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability
+werkzeug>=3.1.5 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file