diff --git a/subsys/net/openthread/Kconfig.defconfig b/subsys/net/openthread/Kconfig.defconfig
index d544774193e1..6805c31e6cda 100644
--- a/subsys/net/openthread/Kconfig.defconfig
+++ b/subsys/net/openthread/Kconfig.defconfig
@@ -19,7 +19,7 @@ config OPENTHREAD_LIBRARY_AVAILABLE
 	# Switch:
 	# - To `y` when libraries for the current OpenThread revision are provided
 	# - To `n` on the next OpenThread upmerge
-	default y
+	default n
 	depends on OPENTHREAD_THREAD_VERSION_1_4
 	depends on (OPENTHREAD_NORDIC_LIBRARY_MASTER && (SOC_NRF52840 || SOC_NRF54L15_CPUAPP)) || \
 		    OPENTHREAD_NORDIC_LIBRARY_FTD || OPENTHREAD_NORDIC_LIBRARY_MTD
diff --git a/west.yml b/west.yml
index b953c6d35272..1bb5a2b140cb 100644
--- a/west.yml
+++ b/west.yml
@@ -69,7 +69,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: ffa5be0dbbfd941f2156fe6237bdc5bd58772836
+      revision: 52a1ceee359c93ecf0cfeee835b60e7b4c8c78a5
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above
@@ -235,7 +235,7 @@ manifest:
     - name: openthread
       repo-path: sdk-openthread
       path: modules/lib/openthread
-      revision: ncs-thread-reference-20241002
+      revision: e344d15117bfb00c583b3667a047329210ee0ee8
       userdata:
         ncs:
           upstream-url: https://github.com/openthread/openthread