diff --git a/test/SimpleAPI.Tests/SimpleAPI.Tests.csproj b/test/SimpleAPI.Tests/SimpleAPI.Tests.csproj
index 692103f..a2b68a9 100644
--- a/test/SimpleAPI.Tests/SimpleAPI.Tests.csproj
+++ b/test/SimpleAPI.Tests/SimpleAPI.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.15" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
     <PackageReference Include="xunit" Version="2.4.1" />