diff --git a/app/VERSION b/app/VERSION
index 2b3a2d1..ae019ba 100644
--- a/app/VERSION
+++ b/app/VERSION
@@ -5,4 +5,4 @@ VERSION_MAJOR = 1
 VERSION_MINOR = 3
 PATCHLEVEL = 0
 VERSION_TWEAK = 0
-EXTRAVERSION = dev
+EXTRAVERSION =
diff --git a/west.yml b/west.yml
index 48b391b..e08e9cf 100644
--- a/west.yml
+++ b/west.yml
@@ -8,7 +8,7 @@ manifest:
   projects:
     - name: zephyr
       remote: zephyrproject-rtos
-      revision: main
+      revision: v4.3-branch
       clone-depth: 1
       import:
         name-allowlist: