diff --git a/momoka-rs/.env b/momoka-rs/.env
index fe39a23..aedf9e0 100644
--- a/momoka-rs/.env
+++ b/momoka-rs/.env
@@ -1,11 +1,9 @@
-ETHEREUM_NETWORK=POLYGON
-# ETHEREUM_NETWORK=MUMBAI
+ETHEREUM_NETWORK=MUMBAI
 # ETHEREUM_NETWORK=POLYGON
-NODE_URL=https://polygon-mainnet.g.alchemy.com/v2/WaQlz3BZ9rps6PTOiJmcdTm7XaFVnJhs
+NODE_URL=https://polygon-mumbai.g.alchemy.com/v2/s1Hq6Tyswh1mDXOlgawIqSCndvsNfYb6
+# NODE_URL=https://polygon-mainnet.g.alchemy.com/v2/WaQlz3BZ9rps6PTOiJmcdTm7XaFVnJhs
 # NODE_URL='ws://127.0.0.1:8545/'
 # NODE_URL=https://matic-mumbai.chainstacklabs.com 
-# NODE_URL(FREE)=https://polygon-mumbai.g.alchemy.com/v2/s1Hq6Tyswh1mDXOlgawIqSCndvsNfYb6
-DEPLOYMENT=PRODUCTION
-# DEPLOYMENT=STAGING
+DEPLOYMENT=STAGING
 # DEPLOYMENT=PRODUCTION
-CONCURRENCY=10
+CONCURRENCY=3