diff --git a/wagtail/models/__init__.py b/wagtail/models/__init__.py
index 07d890b6a0..69804018c8 100644
--- a/wagtail/models/__init__.py
+++ b/wagtail/models/__init__.py
@@ -101,6 +101,7 @@ from .workflows import (  # noqa: F401
     TaskStateQuerySet,
     Workflow,
     WorkflowContentType,
+    WorkflowManager,
     WorkflowMixin,
     WorkflowState,
     WorkflowStateManager,