diff --git a/HtmlToPDF/HtmlToPDF.csproj b/HtmlToPDF/HtmlToPDF.csproj
index 46e559f..f2c1934 100644
--- a/HtmlToPDF/HtmlToPDF.csproj
+++ b/HtmlToPDF/HtmlToPDF.csproj
@@ -15,7 +15,7 @@
 
   <ItemGroup>
     <PackageReference Include="DinkToPdf" Version="1.0.8" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.15" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.1" />
   </ItemGroup>