diff --git a/core/genesis.go b/core/genesis.go
index f012cb9d55c3..b319d8bebe3b 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -300,6 +300,10 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
 			if config.IsOptimism() && config.ChainID != nil && config.ChainID.Cmp(params.OptimismGoerliChainId) == 0 {
 				// Apply Optimism Goerli regolith time
 				config.RegolithTime = &params.OptimismGoerliRegolithTime
+			} 
+			if config.IsOptimism() && config.ChainID != nil && config.ChainID.Cmp(params.BaseGoerliChainId) == 0 {
+				// Apply Base Goerli regolith time
+				config.RegolithTime = &params.BaseGoerliRegolithTime
 			}
 			if overrides != nil && overrides.OverrideShanghai != nil {
 				config.ShanghaiTime = overrides.OverrideShanghai
diff --git a/params/config.go b/params/config.go
index d16a5224e697..10286d304a5d 100644
--- a/params/config.go
+++ b/params/config.go
@@ -34,11 +34,14 @@ var (
 	GoerliGenesisHash  = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
 )
 
-// Optimism chain config
+// OP Stack chain config
 var (
 	OptimismGoerliChainId = big.NewInt(420)
 	// March 17, 2023 @ 7:00:00 pm UTC
 	OptimismGoerliRegolithTime = uint64(1679079600)
+	BaseGoerliChainId = big.NewInt(84531)
+	// April 27, 2023 @ 5:00:00 pm UTC
+	BaseGoerliRegolithTime = uint64(1682614800)
 )
 
 // TrustedCheckpoints associates each known checkpoint with the genesis hash of