diff --git a/product.json b/product.json
index 212ad63..85ec061 100644
--- a/product.json
+++ b/product.json
@@ -29,6 +29,10 @@
 	"reportIssueUrl": "https://github.com/microsoft/vscode/issues/new",
 	"urlProtocol": "code-oss",
 	"webviewContentExternalBaseUrlTemplate": "https://{{uuid}}.vscode-cdn.net/insider/ef65ac1ba57f57f2a3961bfe94aa20481caca4c6/out/vs/workbench/contrib/webview/browser/pre/",
+	"extensionsGallery": {
+		"serviceUrl": "https://open-vsx.org/vscode/gallery",
+		"itemUrl": "https://open-vsx.org/vscode/item"
+	},
 	"builtInExtensions": [
 		{
 			"name": "ms-vscode.js-debug-companion",