diff --git a/ai/generative-ai-service/document-processing-with-genai/patient-letter-extraction/files/requirements.txt b/ai/generative-ai-service/document-processing-with-genai/patient-letter-extraction/files/requirements.txt
index 168322dac..86c173e02 100644
--- a/ai/generative-ai-service/document-processing-with-genai/patient-letter-extraction/files/requirements.txt
+++ b/ai/generative-ai-service/document-processing-with-genai/patient-letter-extraction/files/requirements.txt
@@ -1,7 +1,7 @@
 pandas==2.1.4
 jsonschema==4.19.2
 streamlit==1.37.0
-langchain==0.2.5
+langchain==0.3.30
 langchain-community==0.2.19
 pdf2image==1.16.3
 python-docx==0.8.11