diff --git a/components/openthread/lib b/components/openthread/lib
index 7bf84c3346f..e4e3d217f56 160000
--- a/components/openthread/lib
+++ b/components/openthread/lib
@@ -1 +1 @@
-Subproject commit 7bf84c3346f27d89a91bfe08b1d4d5cef9890fb2
+Subproject commit e4e3d217f565500a1bc9dbbec0dfe7a0c868856e
diff --git a/components/openthread/openthread b/components/openthread/openthread
index b1a37932b18..a98813b30ae 160000
--- a/components/openthread/openthread
+++ b/components/openthread/openthread
@@ -1 +1 @@
-Subproject commit b1a37932b1830518f6fa6c92dfb4123a01ac3052
+Subproject commit a98813b30ae58f9a95ece680b9cc46c3874de6ea
diff --git a/components/openthread/private_include/openthread-core-esp32x-spinel-config.h b/components/openthread/private_include/openthread-core-esp32x-spinel-config.h
index 7c3853ecb56..9e01fb818af 100644
--- a/components/openthread/private_include/openthread-core-esp32x-spinel-config.h
+++ b/components/openthread/private_include/openthread-core-esp32x-spinel-config.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -76,3 +76,15 @@
 #ifndef OPENTHREAD_SPINEL_CONFIG_COPROCESSOR_RESET_FAILURE_CALLBACK_ENABLE
 #define OPENTHREAD_SPINEL_CONFIG_COPROCESSOR_RESET_FAILURE_CALLBACK_ENABLE 1
 #endif
+
+/**
+ * @def OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
+ *
+ * In spinel-only mode no Instance object is compiled or instantiated, so the
+ * single-instance path (Instance::Get().GetLogLevel()) is unavailable. Enabling
+ * multiple-instance support forces the logging APIs to use the global log level
+ * (Instance::GetGlobalLogLevel()), which does not depend on an Instance object.
+ */
+#ifndef OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
+#define OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE 1
+#endif
diff --git a/components/openthread/sbom_openthread.yml b/components/openthread/sbom_openthread.yml
index 29346f14305..ea5d2d11e7c 100644
--- a/components/openthread/sbom_openthread.yml
+++ b/components/openthread/sbom_openthread.yml
@@ -5,4 +5,4 @@ supplier: 'Organization: Espressif Systems (Shanghai) CO LTD'
 originator: 'Organization: Google LLC'
 description: OpenThread released by Google is an open-source implementation of the Thread networking
 url: https://github.com/espressif/openthread
-hash: b1a37932b1830518f6fa6c92dfb4123a01ac3052
+hash: a98813b30ae58f9a95ece680b9cc46c3874de6ea