diff --git a/HISTORY.md b/HISTORY.md
index 06b392e78..5b759e753 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,9 @@
+## 8.5.4 (April 16, 2026)
+
+### QOL Improvements
+
+- Added `md` file type to enums.
+
 ## 8.5.3 (February 17, 2026)
 
 ### QOL Improvements
diff --git a/pyatlan/model/enums.py b/pyatlan/model/enums.py
index 89b610eef..cbbe73e31 100644
--- a/pyatlan/model/enums.py
+++ b/pyatlan/model/enums.py
@@ -2912,6 +2912,7 @@ class FileType(str, Enum):
     YXDB = "yxdb"
     XLSM = "xlsm"
     HYPER = "hyper"
+    MD = "md"
 
 
 class FivetranConnectorStatus(str, Enum):
diff --git a/pyatlan/version.txt b/pyatlan/version.txt
index 7dbcd5dea..fa2f7388c 100644
--- a/pyatlan/version.txt
+++ b/pyatlan/version.txt
@@ -1 +1 @@
-8.5.3
+8.5.4
\ No newline at end of file