diff --git a/README.md b/README.md
index dbc4ded..3f2e7a8 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 This project is built using [react-admin](https://marmelab.com/react-admin/).
 
-It needs at least Synapse v1.41.0 for all functions to work as expected!
+It needs at least Synapse v1.48.0 for all functions to work as expected!
 
 You get your server version with the request `/_synapse/admin/v1/server_version`.
 See also [Synapse version API](https://matrix-org.github.io/synapse/develop/admin_api/version_api.html).
diff --git a/src/synapse/dataProvider.js b/src/synapse/dataProvider.js
index 5b11139..136a1dc 100644
--- a/src/synapse/dataProvider.js
+++ b/src/synapse/dataProvider.js
@@ -69,7 +69,7 @@ const resourceMap = {
       return json.total_rooms;
     },
     delete: params => ({
-      endpoint: `/_synapse/admin/v1/rooms/${params.id}`,
+      endpoint: `/_synapse/admin/v2/rooms/${params.id}`,
       body: { block: false },
     }),
   },