diff --git a/src/requirements.txt b/src/requirements.txt
index f97d40d..6bfada2 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -62,7 +62,7 @@ jc==1.23.1
 Jinja2==3.0.2
 joblib==1.2.0
 jsonschema==4.17.3
-langchain==0.0.244
+langchain==0.0.312
 langsmith==0.0.14
 lit==16.0.3
 llama-index==0.7.13