diff --git a/src/OpenSearch.Net/OpenSearch.Net.csproj b/src/OpenSearch.Net/OpenSearch.Net.csproj
index fe4682bf85..8a56320cba 100644
--- a/src/OpenSearch.Net/OpenSearch.Net.csproj
+++ b/src/OpenSearch.Net/OpenSearch.Net.csproj
@@ -24,7 +24,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="System.Buffers" Version="4.5.1" />
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="8.0.1" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="9.0.0" />
       
     <PackageReference Condition="'$(TargetFramework)' == 'netstandard2.0'" Include="System.Reflection.Emit" Version="4.7.0" />
     <PackageReference Condition="'$(TargetFramework)' == 'netstandard2.0'" Include="System.Reflection.Emit.Lightweight" Version="4.7.0" />
diff --git a/tests/Tests.ScratchPad/Tests.ScratchPad.csproj b/tests/Tests.ScratchPad/Tests.ScratchPad.csproj
index 5ad08d5032..2acec4c8fd 100644
--- a/tests/Tests.ScratchPad/Tests.ScratchPad.csproj
+++ b/tests/Tests.ScratchPad/Tests.ScratchPad.csproj
@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="8.0.1" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="9.0.0" />
     <PackageReference Include="BenchMarkDotNet" Version="0.14.0" />
   </ItemGroup>
 </Project>