diff --git a/dependency/deploy/deploy.csproj b/dependency/deploy/deploy.csproj
index bc7c9f0a..d4814e02 100644
--- a/dependency/deploy/deploy.csproj
+++ b/dependency/deploy/deploy.csproj
@@ -27,7 +27,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.3" />
-    <PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.46" />
+    <PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.51" />
   </ItemGroup>
 
 </Project>
diff --git a/installer/installer.csproj b/installer/installer.csproj
index aa89bc4d..222d714d 100644
--- a/installer/installer.csproj
+++ b/installer/installer.csproj
@@ -103,7 +103,7 @@
 		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
 
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.1" />
-		<PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.46" />
+		<PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.51" />
 		<PackageReference Include="Microsoft.Maui.Controls" Version="8.0.100" />
 		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240802000" Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'" />
 	</ItemGroup>