diff --git a/src/SharpCompress/SharpCompress.csproj b/src/SharpCompress/SharpCompress.csproj
index a78df2f2..879a944f 100644
--- a/src/SharpCompress/SharpCompress.csproj
+++ b/src/SharpCompress/SharpCompress.csproj
@@ -6,8 +6,8 @@
     <AssemblyVersion>0.25.1</AssemblyVersion>
     <FileVersion>0.25.1</FileVersion>
     <Authors>Adam Hathcock</Authors>
-    <TargetFrameworks Condition="'$(LibraryFrameworks)'==''">netstandard1.3;netstandard2.0;netstandard2.1;net46</TargetFrameworks>
-    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netstandard1.3;netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks Condition="'$(LibraryFrameworks)'==''">netstandard2.0;netstandard2.1;net46</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netstandard2.0;netstandard2.1</TargetFrameworks>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
     <AssemblyName>SharpCompress</AssemblyName>