diff --git a/source/lambda/job/dep/requirements.txt b/source/lambda/job/dep/requirements.txt
index 4f41a0f9..f8d0d31d 100644
--- a/source/lambda/job/dep/requirements.txt
+++ b/source/lambda/job/dep/requirements.txt
@@ -1,4 +1,4 @@
-langchain==0.3.7
+langchain==0.3.9
 beautifulsoup4==4.12.2
 requests-aws4auth==1.2.2
 boto3==1.28.84
diff --git a/source/lambda/job/dep/setup.py b/source/lambda/job/dep/setup.py
index 32c2aad8..223a8f24 100644
--- a/source/lambda/job/dep/setup.py
+++ b/source/lambda/job/dep/setup.py
@@ -6,7 +6,7 @@
     version="0.1.0",
     packages=find_packages(exclude=[]),
     install_requires=[
-        "langchain==0.1.0",
+        "langchain==0.3.9",
         "beautifulsoup4==4.12.2",
         "requests-aws4auth==1.2.3",
         "boto3==1.28.84",