diff --git a/src/Sentry/Internal/RandomValuesFactory.cs b/src/Sentry/Internal/RandomValuesFactory.cs
index 4b14d198da..cf84184667 100644
--- a/src/Sentry/Internal/RandomValuesFactory.cs
+++ b/src/Sentry/Internal/RandomValuesFactory.cs
@@ -7,7 +7,7 @@ internal abstract class RandomValuesFactory
     public abstract double NextDouble();
     public abstract void NextBytes(byte[] bytes);
 
-#if !(NETSTANDARD2_0 || NET462)
+#if !(NETSTANDARD2_0 || NETFRAMEWORK)
     public abstract void NextBytes(Span<byte> bytes);
 #endif
 
diff --git a/src/Sentry/Internal/SynchronizedRandomValuesFactory.cs b/src/Sentry/Internal/SynchronizedRandomValuesFactory.cs
index 62a76f04f8..28236d3fba 100644
--- a/src/Sentry/Internal/SynchronizedRandomValuesFactory.cs
+++ b/src/Sentry/Internal/SynchronizedRandomValuesFactory.cs
@@ -17,7 +17,7 @@ internal class SynchronizedRandomValuesFactory : RandomValuesFactory
     public override double NextDouble() => Random.NextDouble();
     public override void NextBytes(byte[] bytes) => Random.NextBytes(bytes);
 
-#if !(NETSTANDARD2_0 || NET462)
+#if !(NETSTANDARD2_0 || NETFRAMEWORK)
     public override void NextBytes(Span<byte> bytes) => Random.NextBytes(bytes);
 #endif
 
diff --git a/src/Sentry/Sentry.csproj b/src/Sentry/Sentry.csproj
index 77d1d4b965..0cdfe5d791 100644
--- a/src/Sentry/Sentry.csproj
+++ b/src/Sentry/Sentry.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(SolutionName)' != 'Sentry.Unity'">
-    <TargetFrameworks>net8.0;net6.0;netstandard2.1;netstandard2.0;net462</TargetFrameworks>
+    <TargetFrameworks>net8.0;net6.0;netstandard2.1;netstandard2.0;net462;net48</TargetFrameworks>
     <TargetFrameworks Condition="'$(NO_ANDROID)' == ''">$(TargetFrameworks);net7.0-android;net8.0-android</TargetFrameworks>
     <TargetFrameworks Condition="'$(NO_IOS)' == '' And $([MSBuild]::IsOSPlatform('OSX'))">$(TargetFrameworks);net7.0-ios;net8.0-ios</TargetFrameworks>
     <TargetFrameworks Condition="'$(NO_MACCATALYST)' == '' And $([MSBuild]::IsOSPlatform('OSX'))">$(TargetFrameworks);net7.0-maccatalyst;net8.0-maccatalyst</TargetFrameworks>
@@ -45,7 +45,7 @@
   </ItemGroup>
 
   <!-- Ben.Demystifier also needs System.Reflection.Metadata 5.0.0 or higher on all platforms. -->
-  <ItemGroup Condition="$(TargetFramework.StartsWith('netstandard')) or $(TargetFramework.StartsWith('net4'))">
+  <ItemGroup Condition="$(TargetFramework.StartsWith('netstandard')) or $(TargetFramework.StartsWith('net462'))">
     <PackageReference Include="System.Reflection.Metadata" Version="5.0.0" />
   </ItemGroup>
 
@@ -71,7 +71,7 @@
     On .NET Framework, we need a package reference to System.Runtime.InteropServices.RuntimeInformation.
     This is used in Sentry.PlatformAbstractions.RuntimeInfo.  It's already built-in for all other targets.
   -->
-  <ItemGroup Condition="$(TargetFramework.StartsWith('net4'))">
+  <ItemGroup Condition="$(TargetFramework.StartsWith('net462'))">
     <PackageReference Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
   </ItemGroup>
 
diff --git a/src/Sentry/SpanId.cs b/src/Sentry/SpanId.cs
index a4e1062a40..c199c2bfe4 100644
--- a/src/Sentry/SpanId.cs
+++ b/src/Sentry/SpanId.cs
@@ -48,7 +48,7 @@ namespace Sentry;
     /// </summary>
     public static SpanId Create()
     {
-#if NETSTANDARD2_0 || NET462
+#if NETSTANDARD2_0 || NETFRAMEWORK
         byte[] buf = new byte[8];
 #else
         Span<byte> buf = stackalloc byte[8];
@@ -57,7 +57,7 @@ public static SpanId Create()
         Random.NextBytes(buf);
 
         var random = BitConverter.ToInt64(buf
-#if NETSTANDARD2_0 || NET462
+#if NETSTANDARD2_0 || NETFRAMEWORK
             , 0);
 #else
             );