diff --git a/go.mod b/go.mod
index 8bbc849..7ba7a86 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	gopkg.in/yaml.v2 v2.3.0
 	maunium.net/go/mauflag v1.0.0
 	maunium.net/go/maulogger/v2 v2.2.4
-	maunium.net/go/mautrix v0.9.2
+	maunium.net/go/mautrix v0.9.3
 )
 
 replace github.com/Rhymen/go-whatsapp => github.com/tulir/go-whatsapp v0.4.1
diff --git a/go.sum b/go.sum
index 1151741..0237a30 100644
--- a/go.sum
+++ b/go.sum
@@ -506,5 +506,7 @@ maunium.net/go/mautrix v0.9.1-0.20210307225120-4e7cb8da4d83 h1:rXZpKROiWoye9wmu0
 maunium.net/go/mautrix v0.9.1-0.20210307225120-4e7cb8da4d83/go.mod h1:mckyHSKKyI0PQF2K9MgWMMDUWH1meCNggE28ILTLuMg=
 maunium.net/go/mautrix v0.9.2 h1:siyu2A4t9nao8i8azGz+UD1jx1r1u4kAvB6ugsH6PF8=
 maunium.net/go/mautrix v0.9.2/go.mod h1:mckyHSKKyI0PQF2K9MgWMMDUWH1meCNggE28ILTLuMg=
+maunium.net/go/mautrix v0.9.3 h1:v7tcbsD5xhCGqLv4V/CU0eqIgmGk3PlB8Ca7r1J85dA=
+maunium.net/go/mautrix v0.9.3/go.mod h1:mckyHSKKyI0PQF2K9MgWMMDUWH1meCNggE28ILTLuMg=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
diff --git a/main.go b/main.go
index 693ce50..b0dc89b 100644
--- a/main.go
+++ b/main.go
@@ -61,6 +61,7 @@ func init() {
 	if Tag != Version && !strings.HasSuffix(Version, "+dev") {
 		Version += "+dev"
 	}
+	mautrix.DefaultUserAgent = fmt.Sprintf("mautrix-whatsapp/%s %s", Version, mautrix.DefaultUserAgent)
 	WAVersion = strings.FieldsFunc(Version, func(r rune) bool { return r == '-' || r == '+' })[0]
 }