diff --git a/Samples/ZPLPrinterAspNetCoreSample/ZPLPrinterAspNetCoreSample.csproj b/Samples/ZPLPrinterAspNetCoreSample/ZPLPrinterAspNetCoreSample.csproj
index d2832d2..9bc7a3e 100644
--- a/Samples/ZPLPrinterAspNetCoreSample/ZPLPrinterAspNetCoreSample.csproj
+++ b/Samples/ZPLPrinterAspNetCoreSample/ZPLPrinterAspNetCoreSample.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.4" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.21" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="SkiaSharp" Version="1.60.3" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.1" />