diff --git a/.github/workflows/django.yml b/.github/workflows/django.yml
index 5f2ac0ea..543e3c32 100644
--- a/.github/workflows/django.yml
+++ b/.github/workflows/django.yml
@@ -40,3 +40,4 @@ jobs:
           LIGHTNING_RPC_URL: https://api.lnpay.co/v1/
           LIGHTNING_WALLET: ${{ secrets.LIGHTNING_WALLET }}
           LIGHTNING_FUND_MANAGER: ${{ secrets.LIGHTNING_FUND_MANAGER }}
+          DEPLOYMENT_ENV: "dev"
diff --git a/brightIDfaucet/settings.py b/brightIDfaucet/settings.py
index 3f6b9928..1c7f162c 100644
--- a/brightIDfaucet/settings.py
+++ b/brightIDfaucet/settings.py
@@ -68,6 +68,9 @@ def str2bool(v):
 MEMCACHED_URL = os.environ.get("MEMCACHEDCLOUD_SERVERS")
 MEMCACHED_USERNAME = os.environ.get("MEMCACHEDCLOUD_USERNAME")
 MEMCACHED_PASSWORD = os.environ.get("MEMCACHEDCLOUD_PASSWORD")
+DEPLOYMENT_ENV = os.environ.get("DEPLOYMENT_ENV")
+
+assert DEPLOYMENT_ENV in ["dev", "main"]
 
 
 def before_send(event, hint):
diff --git a/prizetap/constants.py b/prizetap/constants.py
index e1cb393a..99928d78 100644
--- a/prizetap/constants.py
+++ b/prizetap/constants.py
@@ -1629,7 +1629,8 @@
     },
 ]
 
-VRF_CLIENT_POLYGON_ADDRESS = "0xD1E7877A1C3F782dec76FB58C2B926365433d46F"
+VRF_CLIENT_POLYGON_ADDRESS = "0xd713f3584EADc92848d64C31fD66CD50AdF272CD"
+VRF_CLIENT_MUMBAI_ADDRESS = "0xD1E7877A1C3F782dec76FB58C2B926365433d46F"
 
 CONTRACT_ADDRESSES = {
     "137": {
diff --git a/prizetap/tasks.py b/prizetap/tasks.py
index 46733675..bfdc1d57 100644
--- a/prizetap/tasks.py
+++ b/prizetap/tasks.py
@@ -4,6 +4,7 @@
 from celery import shared_task
 from django.utils import timezone
 
+from brightIDfaucet.settings import DEPLOYMENT_ENV
 from core.helpers import memcache_lock
 
 from .models import Raffle
@@ -41,9 +42,10 @@ def set_raffle_random_words(self):
 
 
 def set_random_words(raffle: Raffle):
+    app = "unitap" if DEPLOYMENT_ENV == "main" else "stage_unitap"
     muon_response = requests.get(
         (
-            "https://shield.unitap.app/v1/?app=stage_unitap&method=random-words&"
+            f"https://shield.unitap.app/v1/?app={app}&method=random-words&"
             f"params[chainId]={raffle.chain.chain_id}&params[prizetapRaffle]={raffle.contract}&"
             f"params[raffleId]={raffle.raffleId}"
         )
diff --git a/prizetap/utils.py b/prizetap/utils.py
index 4faa1adb..6c8b272b 100644
--- a/prizetap/utils.py
+++ b/prizetap/utils.py
@@ -1,5 +1,6 @@
 import time
 
+from brightIDfaucet.settings import DEPLOYMENT_ENV
 from core.utils import Web3Utils
 from faucet.models import Chain
 
@@ -8,6 +9,7 @@
     PRIZETAP_ERC721_ABI,
     UNITAP_PASS_ABI,
     VRF_CLIENT_ABI,
+    VRF_CLIENT_MUMBAI_ADDRESS,
     VRF_CLIENT_POLYGON_ADDRESS,
 )
 
@@ -61,7 +63,8 @@ def get_raffle_winners_count(self):
 class VRFClientContractClient(Web3Utils):
     def __init__(self, chain) -> None:
         super().__init__(chain.rpc_url_private, chain.poa)
-        self.set_contract(VRF_CLIENT_POLYGON_ADDRESS, VRF_CLIENT_ABI)
+        address = VRF_CLIENT_POLYGON_ADDRESS if DEPLOYMENT_ENV == "main" else VRF_CLIENT_MUMBAI_ADDRESS
+        self.set_contract(address, VRF_CLIENT_ABI)
         self.set_account(chain.wallet.private_key)
 
     def get_last_request_id(self):
diff --git a/sample.env b/sample.env
index ff5df3e3..825c75b7 100644
--- a/sample.env
+++ b/sample.env
@@ -6,3 +6,4 @@ SECRET_KEY="django-insecure-!=_mi0j#rhk7c9p-0wg-3me6y&fk$+fahz6fh)k1n#&@s(9vf5"
 BRIGHT_PRIVATE_KEY=""
 DEBUG="True"
 SENTRY_DSN="DEBUG-DSN"
+DEPLOYMENT_ENV="env"