diff --git a/src/OpenTelemetry.Instrumentation.GrpcNetClient/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.GrpcNetClient/CHANGELOG.md
index a35c62670e..ab16d3d6d2 100644
--- a/src/OpenTelemetry.Instrumentation.GrpcNetClient/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.GrpcNetClient/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+* Drop support for .NET 6 as this target is no longer supported.
+  ([#2150](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/2150))
+
 ## 1.9.0-beta.1
 
 Released 2024-Jun-17