diff --git a/src/Correlate.Core/Correlate.Core.csproj b/src/Correlate.Core/Correlate.Core.csproj
index e8a0bb4..b5c3eb4 100644
--- a/src/Correlate.Core/Correlate.Core.csproj
+++ b/src/Correlate.Core/Correlate.Core.csproj
@@ -22,7 +22,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="$(PackageVersion_Microsoft_Extensions)" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="$(PackageVersion_Microsoft_Extensions)" />
-    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="8.0.0" Condition="'$(TargetFramework)'=='netstandard2.0'" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="9.0.11" Condition="'$(TargetFramework)'=='netstandard2.0'" />
   </ItemGroup>
 
   <ItemGroup>