diff --git a/go.mod b/go.mod
index c96a08df..2e2a4861 100644
--- a/go.mod
+++ b/go.mod
@@ -25,7 +25,7 @@ require (
 	github.com/matterbridge/Rocket.Chat.Go.SDK v0.0.0-20211016222428-79310a412696
 	github.com/matterbridge/discordgo v0.21.2-0.20210201201054-fb39a175b4f7
 	github.com/matterbridge/go-xmpp v0.0.0-20210731150933-5702291c239f
-	github.com/matterbridge/gozulipbot v0.0.0-20200820220548-be5824faa913
+	github.com/matterbridge/gozulipbot v0.0.0-20211023205727-a19d6c1f3b75
 	github.com/matterbridge/logrus-prefixed-formatter v0.5.3-0.20200523233437-d971309a77ba
 	github.com/matterbridge/matterclient v0.0.0-20211021135437-2dc2bc7dce2d
 	github.com/mattermost/mattermost-server/v5 v5.39.0
diff --git a/go.sum b/go.sum
index 9e06a55f..b93c1b46 100644
--- a/go.sum
+++ b/go.sum
@@ -661,12 +661,10 @@ github.com/matterbridge/discordgo v0.21.2-0.20210201201054-fb39a175b4f7 h1:4J2YZ
 github.com/matterbridge/discordgo v0.21.2-0.20210201201054-fb39a175b4f7/go.mod h1:411nZYv0UMMrtppR5glXop1foboJiFAowy+42U+Ahvw=
 github.com/matterbridge/go-xmpp v0.0.0-20210731150933-5702291c239f h1:1hfavl4YOoRjgTBWezeX8WXCGnhrxnfEgQtb38wQnyg=
 github.com/matterbridge/go-xmpp v0.0.0-20210731150933-5702291c239f/go.mod h1:ECDRehsR9TYTKCAsRS8/wLeOk6UUqDydw47ln7wG41Q=
-github.com/matterbridge/gozulipbot v0.0.0-20200820220548-be5824faa913 h1:5UGr9fLsvAvhjP6i5XJmd0ZIwYVR2gZCzU1lJZ7wfLY=
-github.com/matterbridge/gozulipbot v0.0.0-20200820220548-be5824faa913/go.mod h1:yAjnZ34DuDyPHMPHHjOsTk/FefW4JJjoMMCGt/8uuQA=
+github.com/matterbridge/gozulipbot v0.0.0-20211023205727-a19d6c1f3b75 h1:GslZKF7lW7oSisycGLpxPO+TnKJuA4VZuTWIfYZrClc=
+github.com/matterbridge/gozulipbot v0.0.0-20211023205727-a19d6c1f3b75/go.mod h1:yAjnZ34DuDyPHMPHHjOsTk/FefW4JJjoMMCGt/8uuQA=
 github.com/matterbridge/logrus-prefixed-formatter v0.5.3-0.20200523233437-d971309a77ba h1:XleOY4IjAEIcxAh+IFwT5JT5Ze3RHiYz6m+4ZfZ0rc0=
 github.com/matterbridge/logrus-prefixed-formatter v0.5.3-0.20200523233437-d971309a77ba/go.mod h1:iXGEotOvwI1R1SjLxRc+BF5rUORTMtE0iMZBT2lxqAU=
-github.com/matterbridge/matterclient v0.0.0-20211016195328-346acac403d8 h1:6U64ukl/GOvjPTKvUE9jmMLlvJCa+M2aoiq7myoE8RE=
-github.com/matterbridge/matterclient v0.0.0-20211016195328-346acac403d8/go.mod h1:Gh3tFUjkcPIBBeEkfXBbGio4ONMMKNmlmGECvXLY0TE=
 github.com/matterbridge/matterclient v0.0.0-20211021135437-2dc2bc7dce2d h1:zOIeYDh2WcqEZkJTiV5tHynjuP40IFHubliqhvfhc/0=
 github.com/matterbridge/matterclient v0.0.0-20211021135437-2dc2bc7dce2d/go.mod h1:Gh3tFUjkcPIBBeEkfXBbGio4ONMMKNmlmGECvXLY0TE=
 github.com/mattermost/go-i18n v1.11.0 h1:1hLKqn/ZvhZ80OekjVPGYcCrBfMz+YxNNgqS+beL7zE=
diff --git a/vendor/github.com/matterbridge/gozulipbot/bot.go b/vendor/github.com/matterbridge/gozulipbot/bot.go
index f5644a29..ebcf015a 100644
--- a/vendor/github.com/matterbridge/gozulipbot/bot.go
+++ b/vendor/github.com/matterbridge/gozulipbot/bot.go
@@ -10,14 +10,15 @@ import (
 )
 
 type Bot struct {
-	APIKey  string
-	APIURL  string
-	Email   string
-	Queues  []*Queue
-	Streams []string
-	Client  Doer
-	Backoff time.Duration
-	Retries int64
+	APIKey    string
+	APIURL    string
+	Email     string
+	Queues    []*Queue
+	Streams   []string
+	Client    Doer
+	Backoff   time.Duration
+	Retries   int64
+	UserAgent string
 }
 
 type Doer interface {
@@ -117,6 +118,11 @@ func (b *Bot) Subscribe(streams []string) (*http.Response, error) {
 	body := "subscriptions=" + string(bodyBts)
 
 	req, err := b.constructRequest("POST", "users/me/subscriptions", body)
+	if b.UserAgent != "" {
+		req.Header.Set("User-Agent", b.UserAgent)
+	} else {
+		req.Header.Set("User-Agent", fmt.Sprintf("gozulipbot/%s", Release))
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -174,6 +180,20 @@ func (b *Bot) RegisterEvents(ets []EventType, n Narrow) (*Queue, error) {
 		return nil, err
 	}
 	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		// Try to parse the error out of the body
+		body, err := ioutil.ReadAll(resp.Body)
+		if err == nil {
+			var jsonErr map[string]string
+			err = json.Unmarshal(body, &jsonErr)
+			if err == nil {
+				if msg, ok := jsonErr["msg"]; ok {
+					return nil, fmt.Errorf("Failed to register: %s", msg)
+				}
+			}
+		}
+		return nil, fmt.Errorf("Got non-200 response code when registering: %d", resp.StatusCode)
+	}
 
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
diff --git a/vendor/github.com/matterbridge/gozulipbot/queue.go b/vendor/github.com/matterbridge/gozulipbot/queue.go
index 77aef7fc..b90205c1 100644
--- a/vendor/github.com/matterbridge/gozulipbot/queue.go
+++ b/vendor/github.com/matterbridge/gozulipbot/queue.go
@@ -151,6 +151,8 @@ func (q *Queue) GetEvents() ([]EventMessage, error) {
 	switch {
 	case resp.StatusCode == 429:
 		return nil, BackoffError
+	case resp.StatusCode == 401:
+		return nil, UnauthorizedError
 	case resp.StatusCode == 403:
 		return nil, UnauthorizedError
 	case resp.StatusCode >= 400:
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 1c1707a0..4cf2e8d0 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -183,7 +183,7 @@ github.com/matterbridge/discordgo
 # github.com/matterbridge/go-xmpp v0.0.0-20210731150933-5702291c239f
 ## explicit
 github.com/matterbridge/go-xmpp
-# github.com/matterbridge/gozulipbot v0.0.0-20200820220548-be5824faa913
+# github.com/matterbridge/gozulipbot v0.0.0-20211023205727-a19d6c1f3b75
 ## explicit
 github.com/matterbridge/gozulipbot
 # github.com/matterbridge/logrus-prefixed-formatter v0.5.3-0.20200523233437-d971309a77ba