diff --git a/mozilla_django_oidc/__init__.py b/mozilla_django_oidc/__init__.py
index 528787cf..ce1305bf 100644
--- a/mozilla_django_oidc/__init__.py
+++ b/mozilla_django_oidc/__init__.py
@@ -1 +1 @@
-__version__ = "3.0.0"
+__version__ = "4.0.0"
diff --git a/setup.cfg b/setup.cfg
index e8f7fb68..c1e69e65 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.0.0
+current_version = 4.0.0
 commit = True
 tag = False