diff --git a/src/govoplan_projects/backend/manifest.py b/src/govoplan_projects/backend/manifest.py
index a4f58c8..4447a76 100644
--- a/src/govoplan_projects/backend/manifest.py
+++ b/src/govoplan_projects/backend/manifest.py
@@ -26,7 +26,7 @@ OPTIONAL_DEPENDENCIES = (
     "wiki",
     "calendar",
     "files",
-    "workflow",
+    "workflow_engine",
     "connectors",
     "search",
     "notifications",