diff --git a/src/ExCSS/ExCSS.csproj b/src/ExCSS/ExCSS.csproj
index 813c15a2..13bea7b2 100644
--- a/src/ExCSS/ExCSS.csproj
+++ b/src/ExCSS/ExCSS.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net5.0;netcoreapp3.1;net48</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net5.0;netcoreapp3.1;net452</TargetFrameworks>
     <AssemblyName>ExCSS</AssemblyName>
     <PackageId>ExCSS</PackageId>
     <Title>ExCSS .NET Stylesheet Parser</Title>