diff --git a/LICENSE-3rdparty.csv b/LICENSE-3rdparty.csv
index c07177288..f0d1003e5 100644
--- a/LICENSE-3rdparty.csv
+++ b/LICENSE-3rdparty.csv
@@ -4,6 +4,7 @@ Datadog.Trace,https://github.com/serilog/serilog,Apache-2.0,Copyright (c) 2013-2
 Datadog.Trace,https://github.com/serilog/serilog-sinks-file,Apache-2.0,Copyright (c) 2016 Serilog Contributors
 Datadog.Trace,https://github.com/JamesNK/Newtonsoft.Json,MIT,Copyright (c) 2007 James Newton-King
 Datadog.Trace,https://github.com/protobuf-net/protobuf-net,Apache-2.0,Copyright (c) 2011 Marc Gravell and contributors
+Datadog.Trace,https://github.com/open-telemetry/opentelemetry-dotnet-contrib,Apache-2.0,Copyright The OpenTelemetry Authors
 Datadog.Trace.ClrProfiler.Native,https://github.com/dotnet/runtime,MIT,Copyright (c) .NET Foundation and contributors. All rights reserved.
 Datadog.Trace.ClrProfiler.Native,https://github.com/Microsoft/clr-samples,MIT,Copyright (c) .NET Foundation and contributors. All rights reserved.
 Datadog.Trace.ClrProfiler.Native,https://github.com/MicrosoftArchive/clrprofiler,MIT,Copyright (c) Microsoft Corporation.  All rights reserved.
@@ -16,4 +17,5 @@ Datadog.Trace.OpenTracing,https://github.com/opentracing-contrib/csharp-netcore,
 Datadog.AutoInstrumentation.NativeLoader,https://github.com/gulrak/filesystem/,MIT,"Copyright (c) 2018, Steffen Schümann <s.schuemann@pobox.com>"
 Datadog.Profiler.Native,https://github.com/gulrak/filesystem/,MIT,"Copyright (c) 2018, Steffen Schümann <s.schuemann@pobox.com>"
 (docs),https://github.com/DataDog/documentation,BSD-3-Clause,Copyright (c) 2017-present, Datadog <documentation@datadoghq.com> All rights reserved.
+(metrics.md),https://github.com/open-telemetry/opentelemetry-dotnet-contrib,Apache-2.0,Copyright The OpenTelemetry Authors
 (all),https://github.com/DataDog/dd-trace-dotnet,Apache-2.0,