diff --git a/architectures/firmware/sof-zephyr/mpp_layer/images/mpp_scheduling/edf_scheduling.diag b/architectures/firmware/sof-zephyr/mpp_layer/images/mpp_scheduling/edf_scheduling.diag
old mode 100644
new mode 100755
diff --git a/conf.py b/conf.py
index d7b075d..adfea0d 100755
--- a/conf.py
+++ b/conf.py
@@ -85,7 +85,7 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 
-version = release = "2.8.0"
+version = release = "2.9.0"
 
 #
 # The short X.Y version.
diff --git a/release.rst b/release.rst
index d44da00..bb4d497 100755
--- a/release.rst
+++ b/release.rst
@@ -26,7 +26,7 @@ kernel, and documentation. Download the source code as a zip or tar.gz file:
 Source and Binary Releases
 --------------------------
 
-The latest SOF release is v2.8.0 (Dec 2023).
+The latest SOF release is v2.9.0 (Mar 2024).
 
 View new feature information and release downloads for the latest and
 previous releases on GitHub. Firmware and SDK tool source code and binary