diff --git a/dependency/deploy/deploy.csproj b/dependency/deploy/deploy.csproj
index 46ca7e34..286b49c5 100644
--- a/dependency/deploy/deploy.csproj
+++ b/dependency/deploy/deploy.csproj
@@ -25,7 +25,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.38" />
+    <PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.51" />
   </ItemGroup>
 
 </Project>
diff --git a/installer/installer.csproj b/installer/installer.csproj
index f3913d02..e0ec7e4a 100755
--- a/installer/installer.csproj
+++ b/installer/installer.csproj
@@ -99,7 +99,7 @@
 		<PackageReference Include="CommunityToolkit.Maui.Core" Version="9.0.0" />
 		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
-		<PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.38" />
+		<PackageReference Include="Tencent.QCloud.Cos.Sdk" Version="5.4.51" />
 		<PackageReference Include="Microsoft.Maui.Controls" Version="8.0.40" />
 	</ItemGroup>