diff --git a/application/requirements.txt b/application/requirements.txt
index a1c921e..b4c712f 100644
--- a/application/requirements.txt
+++ b/application/requirements.txt
@@ -41,7 +41,7 @@ Jinja2==3.1.2
 jmespath==1.0.1
 joblib==1.2.0
 kombu==5.2.4
-langchain==0.0.263
+langchain==0.0.308
 loguru==0.6.0
 lxml==4.9.2
 MarkupSafe==2.1.2