diff --git a/src/govoplan_helpdesk/backend/manifest.py b/src/govoplan_helpdesk/backend/manifest.py
index e2661d4..c657e13 100644
--- a/src/govoplan_helpdesk/backend/manifest.py
+++ b/src/govoplan_helpdesk/backend/manifest.py
@@ -15,7 +15,7 @@ OPTIONAL_DEPENDENCIES = (
     "facilities",
     "mail",
     "notifications",
-    "workflow",
+    "workflow_engine",
     "files",
     "tasks",
 )