diff --git a/S22.Sasl.csproj b/S22.Sasl.csproj
index 8515c24..3f44cba 100644
--- a/S22.Sasl.csproj
+++ b/S22.Sasl.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyName>S22.Sasl.DotNetCore</AssemblyName>