diff --git a/eth/backend.go b/eth/backend.go
index 61d1bf85c3..280e956b61 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -558,7 +558,7 @@ func (s *Ethereum) Protocols() []p2p.Protocol {
 // Start implements node.Lifecycle, starting all internal goroutines needed by the
 // Ethereum protocol implementation.
 func (s *Ethereum) Start() error {
-	//eth.StartENRUpdater(s.blockchain, s.p2pServer.LocalNode())
+	eth.StartENRUpdater(s.blockchain, s.p2pServer.LocalNode())
 
 	// Start the bloom bits servicing goroutines
 	s.startBloomHandlers(params.BloomBitsBlocks)
diff --git a/params/version.go b/params/version.go
index 199c8d2bc3..3b8eb6c177 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 = 5         // Minor version component of the current release
-	VersionPatch = 3         // Patch version component of the current release
+	VersionPatch = 4         // Patch version component of the current release
 	VersionMeta  = "mainnet" // Version metadata to append to the version string
 )