diff --git a/ExpressBase.FileServer.csproj b/ExpressBase.FileServer.csproj
index aba5184..81f21cd 100644
--- a/ExpressBase.FileServer.csproj
+++ b/ExpressBase.FileServer.csproj
@@ -27,7 +27,7 @@
   <ItemGroup>
     <PackageReference Include="FOSS.ServiceStack.ProtoBuf.Core" Version="5.0.2" />
     <PackageReference Include="FOSS.ServiceStack.Server.Core" Version="5.0.2" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.15" />
   </ItemGroup>
 
   <ItemGroup>