diff --git a/west.yml b/west.yml
index 878bf16d9ca6..d678facc681a 100644
--- a/west.yml
+++ b/west.yml
@@ -65,7 +65,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: v4.0.99-ncs1
+      revision: 2e8ea129f1114e0db391ccf4512a23f1215cb8a9
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above