diff --git a/backend/requirements.txt b/backend/requirements.txt
index 86035db..b2c9180 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ pydantic
 python-dotenv
 httpx
 geoip2
-markitdown
+markitdown[all]
 python-docx
 python-pptx
 openpyxl