diff --git a/go.mod b/go.mod
index eb10c2ad20..994bb69e38 100644
--- a/go.mod
+++ b/go.mod
@@ -55,7 +55,7 @@ require (
 	github.com/hashicorp/raft v1.3.1
 	github.com/hashicorp/raft-autopilot v0.1.5
 	github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea
-	github.com/hashicorp/serf v0.9.5
+	github.com/hashicorp/serf v0.9.6-0.20210609195804-2b5dd0cd2de9
 	github.com/hashicorp/vault/api v1.0.5-0.20200717191844-f687267c8086
 	github.com/hashicorp/yamux v0.0.0-20200609203250-aecfd211c9ce
 	github.com/imdario/mergo v0.3.6
diff --git a/go.sum b/go.sum
index 672adbcf53..72f97a47e4 100644
--- a/go.sum
+++ b/go.sum
@@ -291,8 +291,9 @@ github.com/hashicorp/raft-autopilot v0.1.5 h1:onEfMH5uHVdXQqtas36zXUHEZxLdsJVu/n
 github.com/hashicorp/raft-autopilot v0.1.5/go.mod h1:Af4jZBwaNOI+tXfIqIdbcAnh/UyyqIMj/pOISIfhArw=
 github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea h1:xykPFhrBAS2J0VBzVa5e80b5ZtYuNQtgXjN40qBZlD4=
 github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea/go.mod h1:pNv7Wc3ycL6F5oOWn+tPGo2gWD4a5X+yp/ntwdKLjRk=
-github.com/hashicorp/serf v0.9.5 h1:EBWvyu9tcRszt3Bxp3KNssBMP1KuHWyO51lz9+786iM=
 github.com/hashicorp/serf v0.9.5/go.mod h1:UWDWwZeL5cuWDJdl0C6wrvrUwEqtQ4ZKBKKENpqIUyk=
+github.com/hashicorp/serf v0.9.6-0.20210609195804-2b5dd0cd2de9 h1:lCZfMBDn/Puwg9VosHMf/9p9jNDYYkbzVjb4jYjVfqU=
+github.com/hashicorp/serf v0.9.6-0.20210609195804-2b5dd0cd2de9/go.mod h1:qapjppkpNXHYTyzx+HqkyWGGkmUxafHjuspm/Bqb2Jc=
 github.com/hashicorp/vault/api v1.0.5-0.20200717191844-f687267c8086 h1:OKsyxKi2sNmqm1Gv93adf2AID2FOBFdCbbZn9fGtIdg=
 github.com/hashicorp/vault/api v1.0.5-0.20200717191844-f687267c8086/go.mod h1:R3Umvhlxi2TN7Ex2hzOowyeNb+SfbVWI973N+ctaFMk=
 github.com/hashicorp/vault/sdk v0.1.14-0.20200519221838-e0cfd64bc267 h1:e1ok06zGrWJW91rzRroyl5nRNqraaBe4d5hiKcVZuHM=
diff --git a/vendor/github.com/hashicorp/serf/serf/serf.go b/vendor/github.com/hashicorp/serf/serf/serf.go
index 8a7c069c2a..4f01fe0f61 100644
--- a/vendor/github.com/hashicorp/serf/serf/serf.go
+++ b/vendor/github.com/hashicorp/serf/serf/serf.go
@@ -958,7 +958,7 @@ func (s *Serf) handleNodeJoin(n *memberlist.Node) {
 
 		member.Status = StatusAlive
 		member.leaveTime = time.Time{}
-		member.Addr = net.IP(n.Addr)
+		member.Addr = n.Addr
 		member.Port = n.Port
 		member.Tags = s.decodeTags(n.Meta)
 	}
@@ -1088,6 +1088,7 @@ func (s *Serf) handleNodeUpdate(n *memberlist.Node) {
 
 // handleNodeLeaveIntent is called when an intent to leave is received.
 func (s *Serf) handleNodeLeaveIntent(leaveMsg *messageLeave) bool {
+	state := s.State()
 
 	// Witness a potentially newer time
 	s.clock.Witness(leaveMsg.LTime)
@@ -1108,7 +1109,7 @@ func (s *Serf) handleNodeLeaveIntent(leaveMsg *messageLeave) bool {
 
 	// Refute us leaving if we are in the alive state
 	// Must be done in another goroutine since we have the memberLock
-	if leaveMsg.Node == s.config.NodeName && s.state == SerfAlive {
+	if leaveMsg.Node == s.config.NodeName && state == SerfAlive {
 		s.logger.Printf("[DEBUG] serf: Refuting an older leave intent")
 		go s.broadcastJoin(s.clock.Time())
 		return false
@@ -1639,7 +1640,6 @@ func (s *Serf) reconnect() {
 	// Select a random member to try and join
 	idx := rand.Int31n(int32(n))
 	mem := s.failedMembers[idx]
-	s.memberLock.RUnlock()
 
 	// Format the addr
 	addr := net.UDPAddr{IP: mem.Addr, Port: int(mem.Port)}
@@ -1649,6 +1649,7 @@ func (s *Serf) reconnect() {
 	if mem.Name != "" {
 		joinAddr = mem.Name + "/" + addr.String()
 	}
+	s.memberLock.RUnlock()
 
 	// Attempt to join at the memberlist level
 	s.memberlist.Join([]string{joinAddr})
diff --git a/vendor/modules.txt b/vendor/modules.txt
index b17354e9a7..68021ab115 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -489,7 +489,7 @@ github.com/hashicorp/raft
 github.com/hashicorp/raft-autopilot
 # github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea
 github.com/hashicorp/raft-boltdb
-# github.com/hashicorp/serf v0.9.5
+# github.com/hashicorp/serf v0.9.6-0.20210609195804-2b5dd0cd2de9
 github.com/hashicorp/serf/coordinate
 github.com/hashicorp/serf/serf
 # github.com/hashicorp/vault/api v1.0.5-0.20200717191844-f687267c8086