diff --git a/west.yml b/west.yml
index faf374b914fb..fc3ddc2aeaf1 100644
--- a/west.yml
+++ b/west.yml
@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: c162980efd9ad8616d0e2fe886ca917d8d8d240a
+      revision: a97b5f221bf178c3427d3031e8f2a2d5ca922644
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision