diff --git a/packages/apps-config/src/endpoints/productionRelayKusama.ts b/packages/apps-config/src/endpoints/productionRelayKusama.ts
index 06f3861382..e5c7326fc4 100644
--- a/packages/apps-config/src/endpoints/productionRelayKusama.ts
+++ b/packages/apps-config/src/endpoints/productionRelayKusama.ts
@@ -24,6 +24,7 @@ export function createKusama (t: TFunction): EndpointOption {
       OnFinality: 'wss://kusama.api.onfinality.io/public-ws',
       // 'Geometry Labs': 'wss://kusama.geometry.io/websockets', // https://github.com/polkadot-js/apps/pull/6746
       Dwellir: 'wss://kusama-rpc.dwellir.com',
+      RadiumBlock: 'wss://kusama.public.curie.radiumblock.co/ws',
       'light client': 'light://substrate-connect/kusama'
       // Pinknode: 'wss://rpc.pinknode.io/kusama/explorer' // https://github.com/polkadot-js/apps/issues/5721
     },