diff --git a/crates/monitor_events/networks/base_sepolia.json b/crates/monitor_events/networks/base_sepolia.json
index 558f591..0b1d781 100644
--- a/crates/monitor_events/networks/base_sepolia.json
+++ b/crates/monitor_events/networks/base_sepolia.json
@@ -2,7 +2,7 @@
   "name": "base_sepolia",
   "l1_contract": "0x84457ca9D0163FbC4bbfe4Dfbb20ba46e48DF254",
   "block_delay": 20,
-  "poll_period_sec": 60,
+  "poll_period_sec": 10800,
   "batch_size": 50000,
   "l1_contract_deployment_block": 4370901
 }
diff --git a/crates/monitor_events/networks/optimism_sepolia.json b/crates/monitor_events/networks/optimism_sepolia.json
index c32ca44..d52818b 100644
--- a/crates/monitor_events/networks/optimism_sepolia.json
+++ b/crates/monitor_events/networks/optimism_sepolia.json
@@ -2,7 +2,7 @@
   "name": "optimism_sepolia",
   "l1_contract": "0x90E9c4f8a994a250F6aEfd61CAFb4F2e895D458F",
   "block_delay": 20,
-  "poll_period_sec": 60,
+  "poll_period_sec": 10800,
   "batch_size": 50000,
   "l1_contract_deployment_block": 4071248
 }
diff --git a/pm2.config.js b/pm2.config.js
index 3199297..4b9cb50 100644
--- a/pm2.config.js
+++ b/pm2.config.js
@@ -25,7 +25,8 @@ module.exports = {
       env: {
         CHAIN_TYPE: "sepolia",
         CHAIN_NAME: "base",
-        RPC_URL: "https://ethereum-sepolia-rpc.publicnode.com",
+        RPC_URL:
+          "https://eth-sepolia.g.alchemy.com/v2/1cpBOW7IDNaPC1Dybn6Qbv6uMszcmjlr",
         DB_URL: "postgresql://postgres:password@localhost:5432/l2indexer",
       },
     },
@@ -35,7 +36,8 @@ module.exports = {
       env: {
         CHAIN_TYPE: "sepolia",
         CHAIN_NAME: "optimism",
-        RPC_URL: "https://ethereum-sepolia-rpc.publicnode.com",
+        RPC_URL:
+          "https://eth-sepolia.g.alchemy.com/v2/1cpBOW7IDNaPC1Dybn6Qbv6uMszcmjlr",
         DB_URL: "postgresql://postgres:password@localhost:5432/l2indexer",
       },
     },