diff --git a/scim_app/scim_app/settings.py b/scim_app/scim_app/settings.py
index d746ff9..22a13a8 100644
--- a/scim_app/scim_app/settings.py
+++ b/scim_app/scim_app/settings.py
@@ -51,6 +51,7 @@ MIDDLEWARE = [
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'oauth2_provider.middleware.OAuth2TokenMiddleware',
     'django_scim.middleware.SCIMAuthCheckMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',