diff --git a/scripts/build/builders/nrf.py b/scripts/build/builders/nrf.py
index d699d60ebd0148..6357a1e755fb3b 100644
--- a/scripts/build/builders/nrf.py
+++ b/scripts/build/builders/nrf.py
@@ -161,7 +161,7 @@ def generate(self):
                 zephyr_base = os.environ['ZEPHYR_BASE']
                 nrfconnect_sdk = os.path.dirname(zephyr_base)
                 zephyr_sdk_dir = os.environ.get('ZEPHYR_SDK_INSTALL_DIR') or os.path.join(
-                    os.environ['NRF5_TOOLS_ROOT'], 'zephyr-sdk-0.16.0')
+                    os.environ['NRF5_TOOLS_ROOT'], 'zephyr-sdk-0.15.2')
 
                 # NRF builds will both try to change .west/config in nrfconnect and
                 # overall perform a git fetch on that location
diff --git a/scripts/examples/nrfconnect_example.sh b/scripts/examples/nrfconnect_example.sh
index db1c850ff5e9a9..072ecada10a2db 100755
--- a/scripts/examples/nrfconnect_example.sh
+++ b/scripts/examples/nrfconnect_example.sh
@@ -44,7 +44,7 @@ source "../scripts/activate.sh"
 export ZEPHYR_TOOLCHAIN_VARIANT=zephyr
 
 if [[ -z "$ZEPHYR_SDK_INSTALL_DIR" && -n "$NRF5_TOOLS_ROOT" ]]; then
-    export ZEPHYR_SDK_INSTALL_DIR="$NRF5_TOOLS_ROOT"/zephyr-sdk-0.16.0
+    export ZEPHYR_SDK_INSTALL_DIR="$NRF5_TOOLS_ROOT"/zephyr-sdk-0.15.2
 fi
 
 # Set ccache base directory to improve the cache hit ratio
diff --git a/third_party/openthread/ot-nxp b/third_party/openthread/ot-nxp
index 389c4776124c6d..4c2fa0d3d29c35 160000
--- a/third_party/openthread/ot-nxp
+++ b/third_party/openthread/ot-nxp
@@ -1 +1 @@
-Subproject commit 389c4776124c6dd887869cae060efa4eeccaf965
+Subproject commit 4c2fa0d3d29c358fbdc57fa627ed2ba1e76dcdfc
diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index d6b036c2c385b8..da76d1317f4730 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit d6b036c2c385b8934e83d6d4d258870ccfcc1e08
+Subproject commit da76d1317f4730d582f4fab346ebacf0d0935263