diff --git a/modules/network/arbitrum.ts b/modules/network/arbitrum.ts
index cb2b9da80..2d21e674c 100644
--- a/modules/network/arbitrum.ts
+++ b/modules/network/arbitrum.ts
@@ -57,7 +57,7 @@ export const arbitrumNetworkData: NetworkData = {
             ? `https://arbitrum-mainnet.infura.io/v3/${env.INFURA_API_KEY}`
             : env.ALCHEMY_API_KEY
             ? `https://arb-mainnet.g.alchemy.com/v2/${env.ALCHEMY_API_KEY}`
-            : 'https://arbitrum.sakurarpc.io',
+            : 'https://1rpc.io/arb',
     rpcMaxBlockRange: 2000,
     protocolToken: 'bal',
     bal: {
diff --git a/modules/network/polygon.ts b/modules/network/polygon.ts
index ee8e4917f..bd6786004 100644
--- a/modules/network/polygon.ts
+++ b/modules/network/polygon.ts
@@ -52,9 +52,7 @@ const polygonNetworkData: NetworkData = {
         platformId: 'polygon-pos',
         excludedTokenAddresses: [],
     },
-    rpcUrl: env.INFURA_API_KEY
-        ? `https://polygon-mainnet.infura.io/v3/${env.INFURA_API_KEY}`
-        : 'https://polygon.sakurarpc.io',
+    rpcUrl: env.INFURA_API_KEY ? `https://polygon-mainnet.infura.io/v3/${env.INFURA_API_KEY}` : 'https://1rpc.io/matic',
     rpcMaxBlockRange: 2000,
     protocolToken: 'bal',
     bal: {