diff --git a/dev/xmpp-dev-stack/recipient/go.mod b/dev/xmpp-dev-stack/recipient/go.mod
index e148405..9dde370 100644
--- a/dev/xmpp-dev-stack/recipient/go.mod
+++ b/dev/xmpp-dev-stack/recipient/go.mod
@@ -4,6 +4,6 @@ go 1.15
 
 require (
 	mellium.im/sasl v0.2.1
-	mellium.im/xmlstream v0.15.2
-	mellium.im/xmpp v0.18.0
+	mellium.im/xmlstream v0.15.4-0.20211023152852-0ca80a938137
+	mellium.im/xmpp v0.21.1
 )
diff --git a/dev/xmpp-dev-stack/recipient/go.sum b/dev/xmpp-dev-stack/recipient/go.sum
index 0863449..f662a43 100644
--- a/dev/xmpp-dev-stack/recipient/go.sum
+++ b/dev/xmpp-dev-stack/recipient/go.sum
@@ -8,17 +8,18 @@ golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7 h1:fHDIZ2oxGnUZRN6WgWFCbYBjH
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210110051926-789bb1bd4061 h1:DQmQoKxQWtyybCtX/3dIuDBcAhFszqq8YiNeS6sNu1c=
 golang.org/x/sys v0.0.0-20210110051926-789bb1bd4061/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e h1:FDhOuMEY4JVRztM/gsbk+IKUQ8kj74bxZrgw87eMMVc=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 mellium.im/reader v0.1.0 h1:UUEMev16gdvaxxZC7fC08j7IzuDKh310nB6BlwnxTww=
 mellium.im/reader v0.1.0/go.mod h1:F+X5HXpkIfJ9EE1zHQG9lM/hO946iYAmU7xjg5dsQHI=
 mellium.im/sasl v0.2.1 h1:nspKSRg7/SyO0cRGY71OkfHab8tf9kCts6a6oTDut0w=
 mellium.im/sasl v0.2.1/go.mod h1:ROaEDLQNuf9vjKqE1SrAfnsobm2YKXT1gnN1uDp1PjQ=
-mellium.im/xmlstream v0.15.2-0.20201219131358-a51cc5cf8151/go.mod h1:7SUlP7f2qnMczK+Cu/OFgqaIhldMolVjo8np7xG41D0=
-mellium.im/xmlstream v0.15.2 h1:RleOK10lEsVtzpEZsJeRl4Iu0iC5SQnTQIGJZ7ZHGEc=
-mellium.im/xmlstream v0.15.2/go.mod h1:7SUlP7f2qnMczK+Cu/OFgqaIhldMolVjo8np7xG41D0=
-mellium.im/xmpp v0.18.0 h1:mm4zgK+7XkVpOKrM6d7d9ssmvH9Z67+16ODU9Rx4fqU=
-mellium.im/xmpp v0.18.0/go.mod h1:T1xCJIP9JyIIO4SSLlfj6zUi/58g22rFL6eojGwlJig=
+mellium.im/xmlstream v0.15.4-0.20211023152852-0ca80a938137 h1:ALOIzIw0sJLO0Agfwftq7yS7Rk8pWBEdrc3/5lSprzE=
+mellium.im/xmlstream v0.15.4-0.20211023152852-0ca80a938137/go.mod h1:7SUlP7f2qnMczK+Cu/OFgqaIhldMolVjo8np7xG41D0=
+mellium.im/xmpp v0.21.1 h1:dJnhildTLuFf8InuuoJb2mZTzFXL/xw5qHJmkJ4cACs=
+mellium.im/xmpp v0.21.1/go.mod h1:KURF/CpPWdCjZOG6jqNcIsrM07b+OyXlb0EJVr+fsKM=