diff --git a/NFC/NFC.csproj b/NFC/NFC.csproj
index 0d585ed..4635b2c 100644
--- a/NFC/NFC.csproj
+++ b/NFC/NFC.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>