diff --git a/src/JT809.Protocol/JT809.Protocol.csproj b/src/JT809.Protocol/JT809.Protocol.csproj
index 2a4d65a..fbe0b4d 100644
--- a/src/JT809.Protocol/JT809.Protocol.csproj
+++ b/src/JT809.Protocol/JT809.Protocol.csproj
@@ -86,14 +86,14 @@
 		<PackageReference Include="System.Dynamic.Runtime" Version="4.3.0" />
 		<PackageReference Include="System.Memory" Version="4.5.5" />
 		<PackageReference Include="System.Reflection.Extensions" Version="4.3.0" />
-		<PackageReference Include="System.Text.Json" Version="8.0.0" />
+		<PackageReference Include="System.Text.Json" Version="8.0.4" />
 		<PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
 		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
 	</ItemGroup>
 	
 	<ItemGroup Condition=" '$(TargetFramework)' == 'net7.0' ">
-		<PackageReference Include="System.Text.Encoding.CodePages" Version="7.0.0" />
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
+		<PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
 	</ItemGroup>
 
 	<ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">