diff --git a/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net6.0.apilist.cs b/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net6.0.apilist.cs
index 804d164..d8acbb6 100644
--- a/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net6.0.apilist.cs
+++ b/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net6.0.apilist.cs
@@ -1,7 +1,7 @@
-// Smdn.Devices.BP35XX.dll (Smdn.Devices.BP35XX-2.0.0)
+// Smdn.Devices.BP35XX.dll (Smdn.Devices.BP35XX-2.1.0)
 //   Name: Smdn.Devices.BP35XX
-//   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0+ef185af5c73268aab02d6909202fffce4560122b
+//   AssemblyVersion: 2.1.0.0
+//   InformationalVersion: 2.1.0+fc01bab8c6330c41db1ce6309f8f5f79b42b2785
 //   TargetFramework: .NETCoreApp,Version=v6.0
 //   Configuration: Release
 //   Referenced assemblies:
@@ -89,6 +89,12 @@ public ValueTask SetUartOptionsAsync(BP35UartConfigurations uartConfigurations,
     public ValueTask SetUdpDataFormatAsync(BP35UdpReceiveDataFormat format, CancellationToken cancellationToken = default) {}
   }
 
+  public class BP35SerialPortException : IOException {
+    public BP35SerialPortException() {}
+    public BP35SerialPortException(string message) {}
+    public BP35SerialPortException(string message, Exception? innerException = null) {}
+  }
+
   public readonly struct BP35UartConfigurations {
     public BP35UartConfigurations(BP35UartBaudRate baudRate, BP35UartCharacterInterval characterInterval, BP35UartFlowControl flowControl) {}
 
diff --git a/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net8.0.apilist.cs b/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net8.0.apilist.cs
index f383021..5031fcc 100644
--- a/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net8.0.apilist.cs
+++ b/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-net8.0.apilist.cs
@@ -1,7 +1,7 @@
-// Smdn.Devices.BP35XX.dll (Smdn.Devices.BP35XX-2.0.0)
+// Smdn.Devices.BP35XX.dll (Smdn.Devices.BP35XX-2.1.0)
 //   Name: Smdn.Devices.BP35XX
-//   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0+ef185af5c73268aab02d6909202fffce4560122b
+//   AssemblyVersion: 2.1.0.0
+//   InformationalVersion: 2.1.0+fc01bab8c6330c41db1ce6309f8f5f79b42b2785
 //   TargetFramework: .NETCoreApp,Version=v8.0
 //   Configuration: Release
 //   Referenced assemblies:
@@ -89,6 +89,12 @@ public ValueTask SetUartOptionsAsync(BP35UartConfigurations uartConfigurations,
     public ValueTask SetUdpDataFormatAsync(BP35UdpReceiveDataFormat format, CancellationToken cancellationToken = default) {}
   }
 
+  public class BP35SerialPortException : IOException {
+    public BP35SerialPortException() {}
+    public BP35SerialPortException(string message) {}
+    public BP35SerialPortException(string message, Exception? innerException = null) {}
+  }
+
   public readonly struct BP35UartConfigurations {
     public BP35UartConfigurations(BP35UartBaudRate baudRate, BP35UartCharacterInterval characterInterval, BP35UartFlowControl flowControl) {}
 
diff --git a/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-netstandard2.1.apilist.cs b/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-netstandard2.1.apilist.cs
index 1b92fd5..ef662f2 100644
--- a/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-netstandard2.1.apilist.cs
+++ b/doc/api-list/Smdn.Devices.BP35XX/Smdn.Devices.BP35XX-netstandard2.1.apilist.cs
@@ -1,7 +1,7 @@
-// Smdn.Devices.BP35XX.dll (Smdn.Devices.BP35XX-2.0.0)
+// Smdn.Devices.BP35XX.dll (Smdn.Devices.BP35XX-2.1.0)
 //   Name: Smdn.Devices.BP35XX
-//   AssemblyVersion: 2.0.0.0
-//   InformationalVersion: 2.0.0+ef185af5c73268aab02d6909202fffce4560122b
+//   AssemblyVersion: 2.1.0.0
+//   InformationalVersion: 2.1.0+fc01bab8c6330c41db1ce6309f8f5f79b42b2785
 //   TargetFramework: .NETStandard,Version=v2.1
 //   Configuration: Release
 //   Referenced assemblies:
@@ -85,6 +85,12 @@ public ValueTask SetUartOptionsAsync(BP35UartConfigurations uartConfigurations,
     public ValueTask SetUdpDataFormatAsync(BP35UdpReceiveDataFormat format, CancellationToken cancellationToken = default) {}
   }
 
+  public class BP35SerialPortException : IOException {
+    public BP35SerialPortException() {}
+    public BP35SerialPortException(string message) {}
+    public BP35SerialPortException(string message, Exception? innerException = null) {}
+  }
+
   public readonly struct BP35UartConfigurations {
     public BP35UartConfigurations(BP35UartBaudRate baudRate, BP35UartCharacterInterval characterInterval, BP35UartFlowControl flowControl) {}