diff --git a/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj b/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
index 95061999..d8d2b524 100644
--- a/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
+++ b/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks>netstandard2.0;net46;net40</TargetFrameworks>
+		<TargetFrameworks>netstandard2.0;net46;net45;net40</TargetFrameworks>
 		<Version>1.7.0</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>ncc;YeXiangQin</Authors>