diff --git a/gateway/platforms/base.py b/gateway/platforms/base.py
index c6bdc38c3b9..7b3147e21f4 100644
--- a/gateway/platforms/base.py
+++ b/gateway/platforms/base.py
@@ -829,6 +829,9 @@ SUPPORTED_DOCUMENT_TYPES = {
     ".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
     ".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
     ".pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation",
+    ".ts": "text/plain",
+    ".py": "text/plain",
+    ".sh": "text/plain",
 }