diff --git a/packages/devtools_app/lib/src/shared/http/http.dart b/packages/devtools_app/lib/src/shared/http/http.dart
index eb615bb1d19..b8c287d1a4a 100644
--- a/packages/devtools_app/lib/src/shared/http/http.dart
+++ b/packages/devtools_app/lib/src/shared/http/http.dart
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 /// This library contains code pulled from dart:io that is not platform specific.
+library;
 
 part '_http_cookies.dart';
 part '_http_date.dart';