diff --git a/packages/google-cloud-private-ca/setup.py b/packages/google-cloud-private-ca/setup.py
index 13ae7f581b16..62e0ab68aa92 100644
--- a/packages/google-cloud-private-ca/setup.py
+++ b/packages/google-cloud-private-ca/setup.py
@@ -57,9 +57,7 @@
     if package.startswith("google")
 ]
 
-namespaces = ["google"]
-if "google.cloud" in packages:
-    namespaces.append("google.cloud")
+namespaces = ["google", "google.cloud", "google.cloud.security"]
 
 setuptools.setup(
     name=name,