diff --git a/Relativity.Imaging.SDK.md b/Relativity.Imaging.SDK.md
index 6c578e4..ba056ca 100644
--- a/Relativity.Imaging.SDK.md
+++ b/Relativity.Imaging.SDK.md
@@ -4,6 +4,34 @@
 
 This package contains interfaces for the public APIs of the Relativity Imaging application.
 
+## v12.9.1
+
+### Release Notes
+
+- Added three new Basic Imaging Engine Options
+- Added new Include Track Changes Basic Imaging Engine Option
+- Removed legacy GetAgentsHealthAsync method from IImagingHealthCheckManagerLegacy interface
+- Added Include RSMF Cover Sheet basic imaging engine option
+- Removed obsolete MassImageDocumentsAsync endpoint
+- Added Pdf Include Comments basic imaging engine option
+- Added Image Completion property to ImagingSet Status Response
+- Added LastActivityDate to ImagingSet Status Response
+- Added PowerPoint Show Comments native imaging option
+- Added Word FullCommentsPage native imaging option
+- Update nuget icon
+
+### Supported Relativity Version Range
+
+Lowest Version | Highest Version
+--- | ---
+Latest | Latest
+
+### Supported RAP Version Range
+
+Lowest Version | Highest Version
+--- | ---
+Latest | Latest
+
 ## v12.3.2
 
 ### Release Notes