diff --git a/resource/opentelemetry-resourcedetector-gcp/.changelog/4865.fixed b/resource/opentelemetry-resourcedetector-gcp/.changelog/4865.fixed
new file mode 100644
index 0000000000..cc06b4d023
--- /dev/null
+++ b/resource/opentelemetry-resourcedetector-gcp/.changelog/4865.fixed
@@ -0,0 +1 @@
+Add back `gcp_resource_detector` entry point name for backward compatibility.
diff --git a/resource/opentelemetry-resourcedetector-gcp/pyproject.toml b/resource/opentelemetry-resourcedetector-gcp/pyproject.toml
index a065c35b3c..2dc7230587 100644
--- a/resource/opentelemetry-resourcedetector-gcp/pyproject.toml
+++ b/resource/opentelemetry-resourcedetector-gcp/pyproject.toml
@@ -32,6 +32,7 @@ dependencies = [
 
 [project.entry-points.opentelemetry_resource_detector]
 gcp = "opentelemetry.resourcedetector.gcp_resource_detector:GoogleCloudResourceDetector"
+gcp_resource_detector = "opentelemetry.resourcedetector.gcp_resource_detector:GoogleCloudResourceDetector"
 
 [project.urls]
 Homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/resource/opentelemetry-resourcedetector-gcp"
diff --git a/resource/opentelemetry-resourcedetector-gcp/tests/test_gcp_resource_detector.py b/resource/opentelemetry-resourcedetector-gcp/tests/test_gcp_resource_detector.py
index d381059a84..92e08293dd 100644
--- a/resource/opentelemetry-resourcedetector-gcp/tests/test_gcp_resource_detector.py
+++ b/resource/opentelemetry-resourcedetector-gcp/tests/test_gcp_resource_detector.py
@@ -1,6 +1,7 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
 
+from importlib.metadata import entry_points
 from unittest.mock import Mock
 
 import pytest
@@ -187,3 +188,14 @@ def test_detects_gae_flex(
     )
 
     assert dict(GoogleCloudResourceDetector().detect().attributes) == snapshot
+
+
+def test_entry_points():
+    eps = entry_points(group="opentelemetry_resource_detector")
+    ep_map = {ep.name: ep for ep in eps}
+    assert "gcp" in ep_map
+    assert "gcp_resource_detector" in ep_map
+    assert ep_map["gcp"].load() is GoogleCloudResourceDetector
+    assert (
+        ep_map["gcp_resource_detector"].load() is GoogleCloudResourceDetector
+    )