diff --git a/tests/OpenOnlineConfig.Tests/OpenOnlineConfig.Tests.csproj b/tests/OpenOnlineConfig.Tests/OpenOnlineConfig.Tests.csproj
index a29abd4..05bcff1 100644
--- a/tests/OpenOnlineConfig.Tests/OpenOnlineConfig.Tests.csproj
+++ b/tests/OpenOnlineConfig.Tests/OpenOnlineConfig.Tests.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="TUnit" Version="1.80.0" />
+    <PackageReference Include="TUnit" Version="1.81.16" />
   </ItemGroup>
 
   <ItemGroup>