diff --git a/pyproject.toml b/pyproject.toml
index d64883b0..a13005c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,6 +75,7 @@ dependencies = [
     "class_resolver",
     "psycopg2-binary",
     "pydantic>=2.0",
+    "requests-ftp",
     # Resource Downloaders
     "drugbank_downloader",
     "chembl_downloader",