diff --git a/lib/github_oauth2_client.dart b/lib/github_oauth2_client.dart
index 08203c1..a291d38 100644
--- a/lib/github_oauth2_client.dart
+++ b/lib/github_oauth2_client.dart
@@ -1,4 +1,6 @@
+import 'package:oauth2_client/access_token_response.dart';
 import 'package:oauth2_client/oauth2_client.dart';
+import 'src/base_web_auth.dart';
 
 /// Implements an OAuth2 client against GitHub
 ///
@@ -11,7 +13,41 @@ class GitHubOAuth2Client extends OAuth2Client {
             authorizeUrl: 'https://github.com/login/oauth/authorize',
             tokenUrl: 'https://github.com/login/oauth/access_token',
             redirectUri: redirectUri,
-            customUriScheme: customUriScheme) {
-    accessTokenRequestHeaders = {'Accept': 'application/json'};
+            customUriScheme: customUriScheme);
+
+  @override
+  Future<AccessTokenResponse> getTokenWithAuthCodeFlow(
+      {required String clientId,
+      List<String>? scopes,
+      String? clientSecret,
+      bool enablePKCE = true,
+      bool enableState = true,
+      String? state,
+      String? codeVerifier,
+      Function? afterAuthorizationCodeCb,
+      Map<String, dynamic>? authCodeParams,
+      Map<String, dynamic>? accessTokenParams,
+      Map<String, String>? accessTokenHeaders,
+      httpClient,
+      BaseWebAuth? webAuthClient,
+      Map<String, dynamic>? webAuthOpts}) async {
+    return super.getTokenWithAuthCodeFlow(
+        clientId: clientId,
+        scopes: scopes,
+        clientSecret: clientSecret,
+        enablePKCE: enablePKCE,
+        enableState: enableState,
+        state: state,
+        codeVerifier: codeVerifier,
+        afterAuthorizationCodeCb: afterAuthorizationCodeCb,
+        authCodeParams: authCodeParams,
+        accessTokenParams: accessTokenParams,
+        accessTokenHeaders: {
+          ...?accessTokenHeaders,
+          ...{'Accept': 'application/json'}
+        },
+        httpClient: httpClient,
+        webAuthClient: webAuthClient,
+        webAuthOpts: webAuthOpts);
   }
 }