diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3ad2615..1a9399c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 * Upgrade `http2` dependency.
 * Upgrade `uuid` dependency.
 * Fixed a bug that prevented body parsing from ever completing with `http2`.
+* Add `Providers.hashCode`.
 
 # 2.0.0-alpha.17
 * Revert the migration to `lumberjack` for now. In the future, when it's more
diff --git a/lib/src/core/controller.dart b/lib/src/core/controller.dart
index 65cf262f..c30c05fc 100644
--- a/lib/src/core/controller.dart
+++ b/lib/src/core/controller.dart
@@ -23,7 +23,7 @@ class Controller {
   /// A mapping of route paths to routes, produced from the [Expose] annotations on this class.
   Map<String, Route> routeMappings = {};
 
-  Controller({this.injectSingleton: true});
+  Controller({this.injectSingleton = true});
 
   @mustCallSuper
   Future configureServer(Angel app) {
diff --git a/lib/src/core/driver.dart b/lib/src/core/driver.dart
index 5580f01a..794ff02a 100644
--- a/lib/src/core/driver.dart
+++ b/lib/src/core/driver.dart
@@ -26,7 +26,7 @@ abstract class Driver<
   /// The function used to bind this instance to a server..
   final Future<Server> Function(dynamic, int) serverGenerator;
 
-  Driver(this.app, this.serverGenerator, {this.useZone: true});
+  Driver(this.app, this.serverGenerator, {this.useZone = true});
 
   /// The path at which this server is listening for requests.
   Uri get uri;
@@ -250,7 +250,7 @@ abstract class Driver<
       ResponseContext res,
       Request request,
       Response response,
-      {bool ignoreFinalizers: false}) {
+      {bool ignoreFinalizers = false}) {
     if (req == null || res == null) {
       try {
         app.logger?.severe(null, e, st);
@@ -281,7 +281,7 @@ abstract class Driver<
   /// Sends a response.
   Future sendResponse(Request request, Response response, RequestContext req,
       ResponseContext res,
-      {bool ignoreFinalizers: false}) {
+      {bool ignoreFinalizers = false}) {
     void _cleanup(_) {
       if (!app.isProduction && app.logger != null) {
         var sw = req.container.make<Stopwatch>();
diff --git a/lib/src/core/service.dart b/lib/src/core/service.dart
index a330b0d7..755fb6b1 100644
--- a/lib/src/core/service.dart
+++ b/lib/src/core/service.dart
@@ -1,10 +1,9 @@
 library angel_framework.http.service;
 
 import 'dart:async';
-
 import 'package:angel_http_exception/angel_http_exception.dart';
 import 'package:merge_map/merge_map.dart';
-
+import 'package:quiver_hashcode/hashcode.dart';
 import '../util.dart';
 import 'anonymous_service.dart';
 import 'hooked_service.dart' show HookedService;
@@ -36,6 +35,9 @@ class Providers {
   /// Represents a request parsed from GraphQL.
   static const Providers graphQL = Providers(viaGraphQL);
 
+  @override
+  int get hashCode => hashObjects([via]);
+
   @override
   bool operator ==(other) => other is Providers && other.via == via;
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 2513fadc..a3380ed4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -23,6 +23,7 @@ dependencies:
   mime: ^0.9.3
   mock_request: ^1.0.0
   path: ^1.0.0
+  quiver_hashcode: ^2.0.0
   stack_trace: ^1.0.0
   tuple: ^1.0.0
   uuid: ^2.0.0-rc.1