diff --git a/scripts/sismondi.py b/scripts/sismondi.py
index 119e8d1..090d629 100644
--- a/scripts/sismondi.py
+++ b/scripts/sismondi.py
@@ -1,4 +1,8 @@
-from brownie import SismondiNFT, network, config, accounts
+from brownie import SismondiNFT, network, config, accounts, chain
+priority = 5_000_000_000
+network.priority_fee(priority)
+network.max_fee(chain.base_fee + priority)
+
 import logging, sys
 logging.basicConfig(filename='operations.log', encoding='utf-8', level=logging.INFO)
 
diff --git a/scripts/test_env.py b/scripts/test_env.py
index 96d0e36..8a4040c 100644
--- a/scripts/test_env.py
+++ b/scripts/test_env.py
@@ -1,5 +1,9 @@
-from brownie import HelloWorld, network, config, accounts
-import logging, sys
+from brownie import HelloWorld, network, config, accounts, chain
+priority = 5_000_000_000
+network.priority_fee(priority)
+network.max_fee(chain.base_fee + priority)
+
+import logging
 logging.basicConfig(filename='operations.log', encoding='utf-8', level=logging.INFO)
 
 if network.show_active() == "development":