diff --git a/SweetLib.IO/SweetLib.IO.csproj b/SweetLib.IO/SweetLib.IO.csproj
index 471d29a..87876bd 100644
--- a/SweetLib.IO/SweetLib.IO.csproj
+++ b/SweetLib.IO/SweetLib.IO.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>