diff --git a/Blog3-Comparison-of-Approaches/requirements.txt b/Blog3-Comparison-of-Approaches/requirements.txt
index 0833e20..bbae9d6 100644
--- a/Blog3-Comparison-of-Approaches/requirements.txt
+++ b/Blog3-Comparison-of-Approaches/requirements.txt
@@ -1,7 +1,7 @@
 sagemaker==2.218.0
 pypdfium2==4.24.0
 httplib2==0.19.0
-langchain==0.0.340
+langchain==0.3.6
 requests==2.31.0
 pandas==1.5.3
 boto3==1.34.0