diff --git a/NewLife.Panasonic/NewLife.Panasonic.csproj b/NewLife.Panasonic/NewLife.Panasonic.csproj
index 29b6f63..0d7b6f2 100644
--- a/NewLife.Panasonic/NewLife.Panasonic.csproj
+++ b/NewLife.Panasonic/NewLife.Panasonic.csproj
@@ -45,7 +45,7 @@
 
   <ItemGroup>
     <PackageReference Include="NewLife.Core" Version="11.1.2024.1206" />
-    <PackageReference Include="NewLife.IoT" Version="2.3.2024.1203" />
+    <PackageReference Include="NewLife.IoT" Version="2.4.2024.1212" />
     <PackageReference Include="NewLife.Modbus" Version="1.8.2024.426-beta1011" />
   </ItemGroup>