diff --git a/backend/open_webui/retrieval/loaders/main.py b/backend/open_webui/retrieval/loaders/main.py
index 83adb8823f..d4cc4391aa 100644
--- a/backend/open_webui/retrieval/loaders/main.py
+++ b/backend/open_webui/retrieval/loaders/main.py
@@ -86,6 +86,9 @@ known_source_ext = [
     "hs",
     "lhs",
     "json",
+    "yaml",
+    "yml",
+    "toml",
 ]