diff --git a/params/config.go b/params/config.go
index c211ccd0d4..44c1292cb0 100644
--- a/params/config.go
+++ b/params/config.go
@@ -625,6 +625,7 @@ type ChainConfig struct {
 	BernoulliBlock      *big.Int `json:"bernoulliBlock,omitempty"`      // Bernoulli switch block (nil = no fork, 0 = already on bernoulli)
 	CurieBlock          *big.Int `json:"curieBlock,omitempty"`          // Curie switch block (nil = no fork, 0 = already on curie)
 	DarwinTime          *uint64  `json:"darwinTime,omitempty"`          // Darwin switch time (nil = no fork, 0 = already on darwin)
+	DarwinV2Time        *uint64  `json:"darwinv2Time,omitempty"`        // DarwinV2 switch time (nil = no fork, 0 = already on darwinv2)
 
 	// TerminalTotalDifficulty is the amount of total difficulty reached by
 	// the network that triggers the consensus upgrade.
@@ -861,6 +862,11 @@ func (c *ChainConfig) IsDarwin(now uint64) bool {
 	return isForkedTime(now, c.DarwinTime)
 }
 
+// IsDarwinV2 returns whether num is either equal to the DarwinV2 fork block or greater.
+func (c *ChainConfig) IsDarwinV2(now uint64) bool {
+	return isForkedTime(now, c.DarwinV2Time)
+}
+
 // IsTerminalPoWBlock returns whether the given block is the last block of PoW stage.
 func (c *ChainConfig) IsTerminalPoWBlock(parentTotalDiff *big.Int, totalDiff *big.Int) bool {
 	if c.TerminalTotalDifficulty == nil {
diff --git a/params/version.go b/params/version.go
index 77bb908849..0d8aacfff0 100644
--- a/params/version.go
+++ b/params/version.go
@@ -24,7 +24,7 @@ import (
 const (
 	VersionMajor = 5         // Major version component of the current release
 	VersionMinor = 6         // Minor version component of the current release
-	VersionPatch = 1         // Patch version component of the current release
+	VersionPatch = 2         // Patch version component of the current release
 	VersionMeta  = "mainnet" // Version metadata to append to the version string
 )