diff --git a/channel.go b/channel.go
index c9e91dc..141f04a 100644
--- a/channel.go
+++ b/channel.go
@@ -11,6 +11,7 @@ import (
 	"github.com/diamondburned/cchat"
 	"github.com/diamondburned/cchat-discord/segments"
 	"github.com/diamondburned/cchat/text"
+	"github.com/diamondburned/ningen/states/read"
 	"github.com/pkg/errors"
 )
 
@@ -75,6 +76,7 @@ var (
 	_ cchat.ServerMessageEditor           = (*Channel)(nil)
 	_ cchat.ServerMessageActioner         = (*Channel)(nil)
 	_ cchat.ServerMessageTypingIndicator  = (*Channel)(nil)
+	_ cchat.ServerMessageUnreadIndicator  = (*Channel)(nil)
 )
 
 func NewChannel(s *Session, ch discord.Channel) *Channel {
@@ -251,6 +253,11 @@ func (ch *Channel) JoinServer(ctx context.Context, ct cchat.MessagesContainer) (
 		ch.session.AddHandler(func(m *gateway.MessageCreateEvent) {
 			if m.ChannelID == ch.id {
 				ct.CreateMessage(NewMessageCreate(m, ch.session))
+				// Mark as read if the message is not ours. This handler will
+				// stay here as long as the client is seeing the channel.
+				if m.Author.ID != ch.session.userID {
+					ch.session.ReadState.MarkRead(ch.id, m.ID)
+				}
 			}
 		}),
 		ch.session.AddHandler(func(m *gateway.MessageUpdateEvent) {
@@ -471,6 +478,25 @@ func (ch *Channel) TypingSubscribe(ti cchat.TypingIndicator) (func(), error) {
 	}), nil
 }
 
+func (ch *Channel) UnreadIndicate(indicator cchat.UnreadIndicator) (func(), error) {
+	if rs := ch.session.ReadState.FindLast(ch.id); rs != nil {
+		c, err := ch.self()
+		if err != nil {
+			return nil, errors.Wrap(err, "Failed to get self channel")
+		}
+
+		if c.LastMessageID > rs.LastMessageID {
+			indicator.SetUnread(true, rs.MentionCount > 0)
+		}
+	}
+
+	return ch.session.ReadState.OnUpdate(func(ev *read.UpdateEvent) {
+		if ch.id == ev.ChannelID {
+			indicator.SetUnread(ev.Unread, ev.MentionCount > 0)
+		}
+	}), nil
+}
+
 func newCancels() func(...func()) []func() {
 	var cancels []func()
 	return func(appended ...func()) []func() {
diff --git a/go.mod b/go.mod
index 701f137..ba69406 100644
--- a/go.mod
+++ b/go.mod
@@ -3,9 +3,9 @@ module github.com/diamondburned/cchat-discord
 go 1.14
 
 require (
-	github.com/diamondburned/arikawa v0.10.5
-	github.com/diamondburned/cchat v0.0.43
-	github.com/diamondburned/ningen v0.1.1-0.20200715040340-2395a0dbd0fa
+	github.com/diamondburned/arikawa v0.12.4
+	github.com/diamondburned/cchat v0.0.45
+	github.com/diamondburned/ningen v0.1.1-0.20200717013108-297a3bdf84dc
 	github.com/dustin/go-humanize v1.0.0
 	github.com/go-test/deep v1.0.6
 	github.com/pkg/errors v0.9.1
diff --git a/go.sum b/go.sum
index 3b5beb8..3a50e15 100644
--- a/go.sum
+++ b/go.sum
@@ -31,6 +31,8 @@ github.com/diamondburned/arikawa v0.10.2 h1:xTsFWlWwGzFr8HD7tyv2jMRyserOR4yV5dhq
 github.com/diamondburned/arikawa v0.10.2/go.mod h1:nIhVIatzTQhPUa7NB8w4koG1RF9gYbpAr8Fj8sKq660=
 github.com/diamondburned/arikawa v0.10.5 h1:o5lBopooA+8cXlKZdct5qF0xztuZZ35phvQrwGS5vYM=
 github.com/diamondburned/arikawa v0.10.5/go.mod h1:nIhVIatzTQhPUa7NB8w4koG1RF9gYbpAr8Fj8sKq660=
+github.com/diamondburned/arikawa v0.12.4 h1:lhWJqcGkIIMiOYWdsoEuGlri2UbMkzMeh+VfuJPkXt4=
+github.com/diamondburned/arikawa v0.12.4/go.mod h1:nIhVIatzTQhPUa7NB8w4koG1RF9gYbpAr8Fj8sKq660=
 github.com/diamondburned/cchat v0.0.34 h1:BGiVxMRA9dmW3rLilIldBvjVan7eTTpaWCCfX9IKBYU=
 github.com/diamondburned/cchat v0.0.34/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
 github.com/diamondburned/cchat v0.0.35 h1:WiMGl8BQJgbP9E4xRxgLGlqUsHpTcJgDKDt8/6a7lBk=
@@ -49,6 +51,10 @@ github.com/diamondburned/cchat v0.0.42 h1:FVMLy9hOTxKju8OWDBIStrekbgTHCaH8+GVnV4
 github.com/diamondburned/cchat v0.0.42/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
 github.com/diamondburned/cchat v0.0.43 h1:HetAujSaUSdnQgAUZgprNLARjf/MSWXpCfWdvX2wOCU=
 github.com/diamondburned/cchat v0.0.43/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
+github.com/diamondburned/cchat v0.0.44 h1:NmXw4bU3nCPxxKYK6K5LjRjNMp15uXfcKVEt1KTA+SI=
+github.com/diamondburned/cchat v0.0.44/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
+github.com/diamondburned/cchat v0.0.45 h1:HMVSKx1h6lh2OenWaBTvMSK531hWaXAW7I0tKZepYug=
+github.com/diamondburned/cchat v0.0.45/go.mod h1:+zXktogE45A0om4fT6B/z6Ii7FXNafjxsNspI0rlhbU=
 github.com/diamondburned/ningen v0.1.1-0.20200621014632-6babb812b249 h1:yP7kJ+xCGpDz6XbcfACJcju4SH1XDPwlrvbofz3lP8I=
 github.com/diamondburned/ningen v0.1.1-0.20200621014632-6babb812b249/go.mod h1:xW9hpBZsGi8KpAh10TyP+YQlYBo+Xc+2w4TR6N0951A=
 github.com/diamondburned/ningen v0.1.1-0.20200708085949-b64e350f3b8c h1:3h/kyk6HplYZF3zLi106itjYJWjbuMK/twijeGLEy2M=
@@ -67,6 +73,10 @@ github.com/diamondburned/ningen v0.1.1-0.20200715034121-61de7138eb56 h1:DAk3bEwJ
 github.com/diamondburned/ningen v0.1.1-0.20200715034121-61de7138eb56/go.mod h1:SKPY3387RHCbMrnefex9D+zlrA2yB+LCtaaQAgatAuc=
 github.com/diamondburned/ningen v0.1.1-0.20200715040340-2395a0dbd0fa h1:ntHcz6GNzxn3TovtYZVwOBvL3xn7Iq1luaV/KEIEXrk=
 github.com/diamondburned/ningen v0.1.1-0.20200715040340-2395a0dbd0fa/go.mod h1:SKPY3387RHCbMrnefex9D+zlrA2yB+LCtaaQAgatAuc=
+github.com/diamondburned/ningen v0.1.1-0.20200716061206-b8f3ae446253 h1:Jpdv9ZnViZct1aSYhE1NZRIkmIodey1OeeqdCSoAu40=
+github.com/diamondburned/ningen v0.1.1-0.20200716061206-b8f3ae446253/go.mod h1:Sunqp1b9Tc0+DtWKslhf83Zepgj/TELB6h8J9HZCPqQ=
+github.com/diamondburned/ningen v0.1.1-0.20200717013108-297a3bdf84dc h1:YZ84Kdlv91tdcyLfGfQ+LG9kWZN8dTKIic0KlEtGV0U=
+github.com/diamondburned/ningen v0.1.1-0.20200717013108-297a3bdf84dc/go.mod h1:Sunqp1b9Tc0+DtWKslhf83Zepgj/TELB6h8J9HZCPqQ=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=