diff --git a/targets/CMSIS-OS/ChibiOS/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp b/targets/CMSIS-OS/ChibiOS/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp
index 1998040758..ee7ec2b322 100644
--- a/targets/CMSIS-OS/ChibiOS/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp
+++ b/targets/CMSIS-OS/ChibiOS/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp
@@ -83,5 +83,5 @@ const CLR_RT_NativeAssemblyData g_CLR_AssemblyNative_Windows_Devices_SerialCommu
     "Windows.Devices.SerialCommunication", 
     0x093798D6,
     method_lookup,
-    { 1, 0, 2, 9 }
+    { 1, 0, 2, 13 }
 };
diff --git a/targets/FreeRTOS/ESP32_DevKitC/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp b/targets/FreeRTOS/ESP32_DevKitC/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp
index 1998040758..ee7ec2b322 100644
--- a/targets/FreeRTOS/ESP32_DevKitC/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp
+++ b/targets/FreeRTOS/ESP32_DevKitC/nanoCLR/Windows.Devices.SerialCommunication/win_dev_serial_native.cpp
@@ -83,5 +83,5 @@ const CLR_RT_NativeAssemblyData g_CLR_AssemblyNative_Windows_Devices_SerialCommu
     "Windows.Devices.SerialCommunication", 
     0x093798D6,
     method_lookup,
-    { 1, 0, 2, 9 }
+    { 1, 0, 2, 13 }
 };