diff --git a/docs/release-notes/release-notes-5.2.1.rst b/docs/release-notes/release-notes-5.2.1.rst
new file mode 100644
--- /dev/null
+++ b/docs/release-notes/release-notes-5.2.1.rst
@@ -0,0 +1,40 @@
+|RCE| 5.2.1 |RNS|
+-----------------
+
+Release Date
+^^^^^^^^^^^^
+
+- 2024-09-16
+
+
+New Features
+^^^^^^^^^^^^
+
+
+
+General
+^^^^^^^
+
+
+
+Security
+^^^^^^^^
+
+
+
+Performance
+^^^^^^^^^^^
+
+
+
+
+Fixes
+^^^^^
+
+- Fixed problems with incorrect user agent errors
+
+
+Upgrade notes
+^^^^^^^^^^^^^
+
+- RhodeCode 5.2.1 is unscheduled bugfix release to address some build issues with 5.2 images
diff --git a/docs/release-notes/release-notes.rst b/docs/release-notes/release-notes.rst
--- a/docs/release-notes/release-notes.rst
+++ b/docs/release-notes/release-notes.rst
@@ -10,6 +10,7 @@ Release Notes
 .. toctree::
    :maxdepth: 1
 
+   release-notes-5.2.1.rst
    release-notes-5.2.0.rst
    release-notes-5.1.2.rst
    release-notes-5.1.1.rst