diff --git a/chiado/config.yaml b/chiado/config.yaml
index 02ade2d..b76fdc2 100644
--- a/chiado/config.yaml
+++ b/chiado/config.yaml
@@ -140,6 +140,7 @@ BLOB_SIDECAR_SUBNET_COUNT: 6
 
 # EIP7594
 NUMBER_OF_COLUMNS: 128
+MAX_CELLS_IN_EXTENDED_MATRIX: 768
 DATA_COLUMN_SIDECAR_SUBNET_COUNT: 32
 MAX_REQUEST_DATA_COLUMN_SIDECARS: 16384
 
diff --git a/mainnet/config.yaml b/mainnet/config.yaml
index e742647..678b9b0 100644
--- a/mainnet/config.yaml
+++ b/mainnet/config.yaml
@@ -140,6 +140,7 @@ BLOB_SIDECAR_SUBNET_COUNT: 6
 
 # EIP7594
 NUMBER_OF_COLUMNS: 128
+MAX_CELLS_IN_EXTENDED_MATRIX: 768
 DATA_COLUMN_SIDECAR_SUBNET_COUNT: 32
 MAX_REQUEST_DATA_COLUMN_SIDECARS: 16384