diff --git a/plugins/catalog/src/plugin.ts b/plugins/catalog/src/plugin.ts
index 03806a2aa2..a339b7e9d4 100644
--- a/plugins/catalog/src/plugin.ts
+++ b/plugins/catalog/src/plugin.ts
@@ -177,6 +177,10 @@ export const EntityDependsOnResourcesCard = catalogPlugin.provide(
   }),
 );
 
+/**
+ * @deprecated This component is replaced by EntityCatalogGraphCard which is imported from backstage/catalog-graph-plugin. This component will be removed in an
+ * upcoming release
+ */
 export const EntitySystemDiagramCard = catalogPlugin.provide(
   createComponentExtension({
     name: 'EntitySystemDiagramCard',