diff --git a/west.yml b/west.yml
index c428ba32bb74..12aebb66544e 100644
--- a/west.yml
+++ b/west.yml
@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: 8843fd9fe1800164fbb5221d95d1eba7d0699458
+      revision: 9f4bd38ef7d3b52a41e715f45c9a4b2d9caf3bc4
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision