diff --git a/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj b/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj
index e88f82c..a9f5886 100644
--- a/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj
+++ b/test/Pomelo.Extensions.Caching.MySql.Tests/Pomelo.Extensions.Caching.MySql.Tests.csproj
@@ -30,7 +30,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-		<PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="7.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="7.0.0" />
 		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />