diff --git a/src/govoplan_tickets/backend/manifest.py b/src/govoplan_tickets/backend/manifest.py
index c36828c..81bff69 100644
--- a/src/govoplan_tickets/backend/manifest.py
+++ b/src/govoplan_tickets/backend/manifest.py
@@ -18,7 +18,7 @@ OPTIONAL_DEPENDENCIES = (
     "forms_runtime",
     "portal",
     "files",
-    "workflow",
+    "workflow_engine",
     "tasks",
     "mail",
     "notifications",