diff --git a/apps/api/plane/settings/common.py b/apps/api/plane/settings/common.py
index 8b94ee44e3..0ef605ba1f 100644
--- a/apps/api/plane/settings/common.py
+++ b/apps/api/plane/settings/common.py
@@ -380,6 +380,7 @@ ATTACHMENT_MIME_TYPES = [
     "application/vnd.ms-powerpoint",
     "application/vnd.openxmlformats-officedocument.presentationml.presentation",
     "text/plain",
+    "text/markdown",
     "application/rtf",
     "application/vnd.oasis.opendocument.spreadsheet",
     "application/vnd.oasis.opendocument.text",
diff --git a/packages/editor/src/core/constants/config.ts b/packages/editor/src/core/constants/config.ts
index cdca814592..1a9b15a953 100644
--- a/packages/editor/src/core/constants/config.ts
+++ b/packages/editor/src/core/constants/config.ts
@@ -26,6 +26,7 @@ export const ACCEPTED_ATTACHMENT_MIME_TYPES = [
   "application/vnd.ms-powerpoint",
   "application/vnd.openxmlformats-officedocument.presentationml.presentation",
   "text/plain",
+  "text/markdown",
   "application/rtf",
   "audio/mpeg",
   "audio/wav",