diff --git a/test/WeixinAuth.UnitTest/WeixinAuth.UnitTest.csproj b/test/WeixinAuth.UnitTest/WeixinAuth.UnitTest.csproj
index 8cde785..07773a0 100644
--- a/test/WeixinAuth.UnitTest/WeixinAuth.UnitTest.csproj
+++ b/test/WeixinAuth.UnitTest/WeixinAuth.UnitTest.csproj
@@ -13,7 +13,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="Microsoft.CodeCoverage" Version="17.12.0" />
+		<PackageReference Include="Microsoft.CodeCoverage" Version="17.13.0" />
 	</ItemGroup>
 	
 	<ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">