diff --git a/data.go b/data.go
index 2b47104..cc6bac3 100644
--- a/data.go
+++ b/data.go
@@ -10,7 +10,9 @@ import (
 )
 
 type Config struct {
-	SteemitBlockInterval uint `json:"STEEMIT_BLOCK_INTERVAL"`
+	SteemitBlockchainHardforkVersion string `json:"STEEMIT_BLOCKCHAIN_HARDFORK_VERSION"`
+	SteemitBlockchainVersion         string `json:"STEEMIT_BLOCKCHAIN_VERSION"`
+	SteemitBlockInterval             uint   `json:"STEEMIT_BLOCK_INTERVAL"`
 }
 
 type DynamicGlobalProperties struct {