diff --git a/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj b/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj
index 47c0946..c019e20 100644
--- a/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj
+++ b/src/Elastic.OpenTelemetry/Elastic.OpenTelemetry.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net462;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net462;net8.0;net9.0</TargetFrameworks>
     <Title>Elastic Distribution of OpenTelemetry .NET</Title>
     <Description>OpenTelemetry extensions for Elastic Observability, fully native with zero code changes.</Description>
     <PackageTags>elastic;opentelemetry;observabillity;apm;logs;metrics;traces;monitoring</PackageTags>