diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c312c5eb50..d660719cc80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 - The `go.opentelemetry.io/contrib/instrumentation/go.mongodb.org/mongo-driver/mongo/otelmongo` package is deprecated.
   If you would like to become a Code Owner of this module and prevent it from being removed, see [#5551]. (#5598)
+- The `go.opentelemetry.io/contrib/detectors/aws/ec2` package is deprecated.
+  If you would like to become a Code Owner of this module and prevent it from being removed, see [#5542]. (#5636)
 
+[#5542]: https://github.com/open-telemetry/opentelemetry-go-contrib/issues/5542
 [#5551]: https://github.com/open-telemetry/opentelemetry-go-contrib/issues/5551
 
 ## [1.27.0/0.52.0/0.21.0/0.7.0/0.2.0] - 2024-05-21
diff --git a/detectors/aws/ec2/ec2.go b/detectors/aws/ec2/ec2.go
index ee8aade2ed6..cce1f0db5a2 100644
--- a/detectors/aws/ec2/ec2.go
+++ b/detectors/aws/ec2/ec2.go
@@ -1,6 +1,15 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+// Package ec2 provide an OpenTelemetry resource detector for AWS EC2
+// instances.
+//
+// Deprecated: ec2 has no Code Owner.
+// After August 21, 2024, it may no longer be supported and may stop
+// receiving new releases unless a new Code Owner is found. See
+// [this issue] if you would like to become the Code Owner of this module.
+//
+// [this issue]: https://github.com/open-telemetry/opentelemetry-go-contrib/issues/5542
 package ec2 // import "go.opentelemetry.io/contrib/detectors/aws/ec2"
 
 import (
diff --git a/detectors/aws/ec2/go.mod b/detectors/aws/ec2/go.mod
index 3db0df5a117..1d89a9b6ecc 100644
--- a/detectors/aws/ec2/go.mod
+++ b/detectors/aws/ec2/go.mod
@@ -1,3 +1,4 @@
+// Deprecated: ec2 has no Code Owner.
 module go.opentelemetry.io/contrib/detectors/aws/ec2
 
 go 1.21