diff --git a/backend/requirements.txt b/backend/requirements.txt
index 829a1ca6..76a20824 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -23,6 +23,7 @@ sentence_transformers
 pypdf
 docx2txt
 unstructured
+markdown
 
 PyJWT
 pyjwt[crypto]