diff --git a/rebar.config b/rebar.config
index 71eebf6a9..8b1454de9 100644
--- a/rebar.config
+++ b/rebar.config
@@ -24,7 +24,7 @@
         {fast_tls, ".*", {git, "https://github.com/processone/fast_tls", {tag, "1.0.11"}}},
         {stringprep, ".*", {git, "https://github.com/processone/stringprep", {tag, "1.0.8"}}},
         {fast_xml, ".*", {git, "https://github.com/processone/fast_xml", {tag, "1.1.21"}}},
-        {xmpp, ".*", {git, "https://github.com/processone/xmpp", "806ac5e4ebfbcf1f8f5ebe5a8458ebb7e250d501"}},
+        {xmpp, ".*", {git, "https://github.com/processone/xmpp", "e8dbfec277e7eb27b8130b13873b969cc346fafc"}},
         {stun, ".*", {git, "https://github.com/processone/stun", {tag, "1.0.10"}}},
         {esip, ".*", {git, "https://github.com/processone/esip", {tag, "1.0.11"}}},
         {fast_yaml, ".*", {git, "https://github.com/processone/fast_yaml", {tag, "1.0.9"}}},
diff --git a/src/mod_muc_room.erl b/src/mod_muc_room.erl
index f93828962..ca5b12925 100644
--- a/src/mod_muc_room.erl
+++ b/src/mod_muc_room.erl
@@ -3711,6 +3711,21 @@ process_iq_mucsub(_From, #iq{type = set, lang = Lang,
 			     sub_els = [#muc_subscribe{}]},
 		  #state{just_created = false, config = #config{allow_subscription = false}}) ->
     {error, xmpp:err_not_allowed(<<"Subscriptions are not allowed">>, Lang)};
+process_iq_mucsub(From,
+		  #iq{type = set, lang = Lang,
+		      sub_els = [#muc_subscribe{jid = #jid{} = SubJid} = Mucsub]},
+		  StateData) ->
+    FAffiliation = get_affiliation(From, StateData),
+    FRole = get_role(From, StateData),
+    if FRole == moderator; FAffiliation == owner; FAffiliation == admin ->
+	    process_iq_mucsub(SubJid,
+			      #iq{type = set, lang = Lang,
+				  sub_els = [Mucsub#muc_subscribe{jid = undefined}]},
+			      StateData);
+       true ->
+	    Txt = <<"Moderator privileges required">>,
+	    {error, xmpp:err_forbidden(Txt, Lang)}
+    end;
 process_iq_mucsub(From,
 		  #iq{type = set, lang = Lang,
 		      sub_els = [#muc_subscribe{nick = Nick}]} = Packet,
@@ -3748,7 +3763,7 @@ process_iq_mucsub(From, #iq{type = set, lang = Lang,
     FRole = get_role(From, StateData),
     if FRole == moderator; FAffiliation == owner; FAffiliation == admin ->
 	    process_iq_mucsub(UnsubJid,
-			      #iq{type = set,
+			      #iq{type = set, lang = Lang,
 				  sub_els = [#muc_unsubscribe{jid = undefined}]},
 			      StateData);
        true ->