diff --git a/gajim/gajim.py b/gajim/gajim.py
index a725669ce..ff952d2b2 100644
--- a/gajim/gajim.py
+++ b/gajim/gajim.py
@@ -53,7 +53,7 @@ from gajim.common import i18n
 from gajim.common import logging_helpers
 from gajim.common import crypto
 
-MIN_NBXMPP_VER = "0.6.2"
+MIN_NBXMPP_VER = "0.6.3"
 MIN_GTK_VER = "3.20.0"