diff --git a/src/ConfigContext.ts b/src/ConfigContext.ts
index 289e650cb..224d28f8d 100644
--- a/src/ConfigContext.ts
+++ b/src/ConfigContext.ts
@@ -58,6 +58,7 @@ let configContext: Readonly<ConfigContext> = {
   allowedJunoOrigins: [
     "https://juno-test.documents-dev.windows-int.net",
     "https://juno-test2.documents-dev.windows-int.net",
+    "https://juno-test3.documents-dev.windows-int.net",
     "https://tools.cosmos.azure.com",
     "https://tools-staging.cosmos.azure.com",
     "https://localhost",