diff --git a/configs/mainnet.yaml b/configs/mainnet.yaml
index 6d23073b7..ce2697054 100644
--- a/configs/mainnet.yaml
+++ b/configs/mainnet.yaml
@@ -70,6 +70,11 @@ MIN_PER_EPOCH_CHURN_LIMIT: 4
 CHURN_LIMIT_QUOTIENT: 65536
 
 
+# Fork choice
+# ---------------------------------------------------------------
+# 25%
+PROPOSER_SCORE_BOOST: 25
+
 # Deposit contract
 # ---------------------------------------------------------------
 # Ethereum PoW Mainnet
diff --git a/configs/minimal.yaml b/configs/minimal.yaml
index 4f99fce31..ef35b3a07 100644
--- a/configs/minimal.yaml
+++ b/configs/minimal.yaml
@@ -69,6 +69,12 @@ MIN_PER_EPOCH_CHURN_LIMIT: 4
 CHURN_LIMIT_QUOTIENT: 32
 
 
+# Fork choice
+# ---------------------------------------------------------------
+# 25%
+PROPOSER_SCORE_BOOST: 25
+
+
 # Deposit contract
 # ---------------------------------------------------------------
 # Ethereum Goerli testnet