diff --git a/tests/WebApiContrib.Core.Yaml.Tests/WebApiContrib.Core.Yaml.Tests.csproj b/tests/WebApiContrib.Core.Yaml.Tests/WebApiContrib.Core.Yaml.Tests.csproj
index 5417b6d..2cb1171 100644
--- a/tests/WebApiContrib.Core.Yaml.Tests/WebApiContrib.Core.Yaml.Tests.csproj
+++ b/tests/WebApiContrib.Core.Yaml.Tests/WebApiContrib.Core.Yaml.Tests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.6" />
+    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.22" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="2.1.3" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="2.1.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />