diff --git a/docs/release-notes/release-notes-5.1.2.rst b/docs/release-notes/release-notes-5.1.2.rst
new file mode 100644
--- /dev/null
+++ b/docs/release-notes/release-notes-5.1.2.rst
@@ -0,0 +1,41 @@
+|RCE| 5.1.2 |RNS|
+-----------------
+
+Release Date
+^^^^^^^^^^^^
+
+- 2024-09-12
+
+
+New Features
+^^^^^^^^^^^^
+
+
+
+General
+^^^^^^^
+
+
+
+Security
+^^^^^^^^
+
+
+
+Performance
+^^^^^^^^^^^
+
+
+
+
+Fixes
+^^^^^
+
+- Fixed problems with Mercurial authentication after enabling httppostargs.
+  Currently this protocol will be disabled until proper fix is in place
+
+
+Upgrade notes
+^^^^^^^^^^^^^
+
+- RhodeCode 5.1.2 is unscheduled bugfix release to address some build issues with 5.1 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
@@ -11,6 +11,7 @@ Release Notes
    :maxdepth: 1
 
    release-notes-5.2.0.rst
+   release-notes-5.1.2.rst
    release-notes-5.1.1.rst
    release-notes-5.1.0.rst
    release-notes-5.0.3.rst