diff --git a/docs/vercel_requirements.txt b/docs/vercel_requirements.txt
index 72541884172..5e9d2da19e3 100644
--- a/docs/vercel_requirements.txt
+++ b/docs/vercel_requirements.txt
@@ -1 +1,2 @@
+-e ../libs/langchain
 nbdoc
\ No newline at end of file