diff --git a/roles/moc/templates/node.toml.j2 b/roles/moc/templates/node.toml.j2
index 94dea4c..5023052 100644
--- a/roles/moc/templates/node.toml.j2
+++ b/roles/moc/templates/node.toml.j2
@@ -25,6 +25,7 @@ password = ["{{ NODE_PWD }}"]
 [mining]
 usd_per_tx = "0"
 force_sealing = true
+min_gas_price = 1000000000
 engine_signer = "{{ MOC_ADDRESS }}"
 gas_floor_target = "{{ BLK_GAS_LIMIT }}"
 reseal_on_txs = "none"
diff --git a/roles/validator/templates/node.toml.j2 b/roles/validator/templates/node.toml.j2
index 06c0eed..09fdf48 100644
--- a/roles/validator/templates/node.toml.j2
+++ b/roles/validator/templates/node.toml.j2
@@ -24,6 +24,7 @@ unlock = ["{{ MINING_ADDRESS }}"]
 
 [mining]
 usd_per_tx = "0"
+min_gas_price = 1000000000
 force_sealing = true
 engine_signer = "{{ MINING_ADDRESS }}"
 gas_floor_target = "{{ BLK_GAS_LIMIT }}"