diff --git a/core/chains/evm/config/toml/defaults/Scroll_Sepolia.toml b/core/chains/evm/config/toml/defaults/Scroll_Sepolia.toml
index d2626a86bd4..e696199cc9e 100644
--- a/core/chains/evm/config/toml/defaults/Scroll_Sepolia.toml
+++ b/core/chains/evm/config/toml/defaults/Scroll_Sepolia.toml
@@ -5,16 +5,17 @@ LogPollInterval = '3s'
 MinIncomingConfirmations = 1
 # Scroll only emits blocks when a new tx is received, so this method of liveness detection is not useful
 NoNewHeadsThreshold = '0'
-OCR.ContractConfirmations = 1
 
 [GasEstimator]
-Mode = 'SuggestedPrice'
-# Scroll uses the SuggestedPrice estimator; we don't want to place any limits on the minimum gas price
-PriceMin = '0'
+EIP1559DynamicFees = true
+PriceMin = '1 wei'
+BumpMin = '100 wei'
 
 [GasEstimator.BlockHistory]
-# Force an error if someone enables the estimator by accident; we never want to run the block history estimator on Scroll
-BlockHistorySize = 0
+BlockHistorySize = 500
 
 [HeadTracker]
 HistoryDepth = 50
+
+[OCR]
+ContractConfirmations = 1