diff --git a/custom-namespaces.yaml b/custom-namespaces.yaml
index ed97d53..19c1251 100644
--- a/custom-namespaces.yaml
+++ b/custom-namespaces.yaml
@@ -1 +1,17 @@
 ---
+duet:
+  glean_app: false
+  owners:
+  - ascholtz@mozilla.com
+  pretty_name: DUET
+  views:
+    install:
+      type: ping_view
+      tables:
+      - channel: release
+        table: mozdata.firefox_installer.install
+    new_profile:
+      type: ping_view
+      tables:
+      - channel: release
+        table: mozdata.telemetry.new_profile
diff --git a/namespace_allowlist.yaml b/namespace_allowlist.yaml
index 2a7bba8..e29c2dc 100644
--- a/namespace_allowlist.yaml
+++ b/namespace_allowlist.yaml
@@ -1,2 +1,3 @@
 ---
 - burnham
+- duet