diff --git a/languages/csharp/Infisical.Sdk/DateTimeTypeForwarding.cs b/languages/csharp/Infisical.Sdk/DateTimeTypeForwarding.cs
new file mode 100644
index 0000000..a60d261
--- /dev/null
+++ b/languages/csharp/Infisical.Sdk/DateTimeTypeForwarding.cs
@@ -0,0 +1,70 @@
+#if NETSTANDARD2_0 || NETSTANDARD2_1
+using System;
+using System.Globalization;
+
+namespace System
+{
+    public struct DateOnly
+    {
+        private readonly DateTime _date;
+        
+        public DateOnly(int year, int month, int day)
+        {
+            _date = new DateTime(year, month, day);
+        }
+
+        public static DateOnly Parse(string s)
+        {
+            return new DateOnly(DateTime.Parse(s).Ticks);
+        }
+
+        public string ToString(string format)
+        {
+            return _date.ToString(format);
+        }
+
+        public override string ToString()
+        {
+            return _date.ToString("yyyy-MM-dd");
+        }
+
+        public static implicit operator DateTime(DateOnly dateOnly) => dateOnly._date;
+        public static explicit operator DateOnly(DateTime dateTime) => new DateOnly(dateTime.Year, dateTime.Month, dateTime.Day);
+
+        // Additional constructor for ticks
+        public DateOnly(long ticks)
+        {
+            _date = new DateTime(ticks);
+        }
+    }
+
+    public struct TimeOnly
+    {
+        private readonly TimeSpan _timeSpan;
+        
+        public TimeOnly(int hour, int minute, int second = 0)
+        {
+            _timeSpan = new TimeSpan(hours: hour, minutes: minute, seconds: second);
+        }
+
+        public static TimeOnly Parse(string s)
+        {
+            var time = DateTime.Parse(s).TimeOfDay;
+            return new TimeOnly(time.Hours, time.Minutes, time.Seconds);
+        }
+
+        public string ToString(string format)
+        {
+            return DateTime.Today.Add(_timeSpan).ToString(format);
+        }
+
+        public override string ToString()
+        {
+            return _timeSpan.ToString(@"hh\:mm\:ss");
+        }
+
+        public static implicit operator TimeSpan(TimeOnly timeOnly) => timeOnly._timeSpan;
+        public static explicit operator TimeOnly(TimeSpan timeSpan) => new TimeOnly(timeSpan.Hours, timeSpan.Minutes, timeSpan.Seconds);
+    }
+}
+#endif
\ No newline at end of file
diff --git a/languages/csharp/Infisical.Sdk/Infisical.Sdk.csproj b/languages/csharp/Infisical.Sdk/Infisical.Sdk.csproj
index 3cd160f..e34cd93 100644
--- a/languages/csharp/Infisical.Sdk/Infisical.Sdk.csproj
+++ b/languages/csharp/Infisical.Sdk/Infisical.Sdk.csproj
@@ -1,10 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net7.0;net8.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <RootNamespace>Infisical.Sdk</RootNamespace>
+    <LangVersion>10.0</LangVersion>
+
 
     <Title>Infisical SDK</Title>
     <Authors>Infisical</Authors>
@@ -30,6 +32,21 @@
     <None Include="../LICENSE.txt" Pack="true" PackagePath="\" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' Or '$(TargetFramework)' == 'netstandard2.1'">
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="7.0.0" />
+  </ItemGroup>
+
+  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0' Or '$(TargetFramework)' == 'netstandard2.1'">
+    <DefineConstants>$(DefineConstants);NETSTANDARD2_0_OR_GREATER</DefineConstants>
+  </PropertyGroup>
+
+  <!-- Remove files from compilation for non-netstandard targets -->
+  <ItemGroup Condition="'$(TargetFramework)' != 'netstandard2.0' And '$(TargetFramework)' != 'netstandard2.1'">
+    <Compile Remove="DateTimeCompatibility.cs" />
+  </ItemGroup>
+
+
+
   <PropertyGroup>
     <!--Debugonly-->
   </PropertyGroup>
diff --git a/support/scripts/schemas.ts b/support/scripts/schemas.ts
index ae41242..3533967 100644
--- a/support/scripts/schemas.ts
+++ b/support/scripts/schemas.ts
@@ -57,7 +57,7 @@ async function main() {
 		rendererOptions: {
 			namespace: "Infisical.Sdk",
 			framework: "SystemTextJson",
-			"csharp-version": "6"
+			"csharp-version": "5"
 		}
 	});
 	await ensureDir("./languages/csharp/Infisical.Sdk");