diff --git a/Shuttle.Abacus.WebApi/Shuttle.Abacus.WebApi.csproj b/Shuttle.Abacus.WebApi/Shuttle.Abacus.WebApi.csproj
index 167c071..65614d3 100644
--- a/Shuttle.Abacus.WebApi/Shuttle.Abacus.WebApi.csproj
+++ b/Shuttle.Abacus.WebApi/Shuttle.Abacus.WebApi.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.5" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.15" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.5" />
     <PackageReference Include="Shuttle.Abacus" Version="1.0.0" />
     <PackageReference Include="Shuttle.Abacus.Messages" Version="1.0.0" />