diff --git a/data/networks.json b/data/networks.json
index 04a0e965aa..0762ea0c2c 100644
--- a/data/networks.json
+++ b/data/networks.json
@@ -27,7 +27,7 @@
   "cosmos-hub-mainnet": {
     "id": "cosmos-hub-mainnet",
     "title": "Cosmos Hub",
-    "chain_id": "cosmoshub-2",
+    "chain_id": "cosmoshub-3",
     "rpc_url": "wss://rpc.nylira.net/websocket",
     "api_url": "https://lcd.nylira.net",
     "bech32_prefix": "cosmos",
diff --git a/lib/apollo.js b/lib/apollo.js
index 0965cf9835..4b2f695bde 100644
--- a/lib/apollo.js
+++ b/lib/apollo.js
@@ -28,7 +28,7 @@ const store = mapValues(networks, network => new BlockStore(network))
 function startBlockHandlers() {
   new CosmosNodeSubscription(
     networks['cosmos-hub-mainnet'],
-    CosmosV0API,
+    CosmosV2API,
     store['cosmos-hub-mainnet']
   )
   new CosmosNodeSubscription(
@@ -60,7 +60,7 @@ function startBlockHandlers() {
 // from the node and also from the local store.
 function createDataSources() {
   const dataSources = {
-    CosmosHubMainnetAPI: new CosmosV0API(networks['cosmos-hub-mainnet']),
+    CosmosHubMainnetAPI: new CosmosV2API(networks['cosmos-hub-mainnet']),
     CosmosHubTestnetAPI: new CosmosV2API(networks['cosmos-hub-testnet']),
     RegenTestnetAPI: new RegenV0API(networks['regen-testnet']),
     TerraTestnetAPI: new TerraV3API(networks['terra-testnet']),