diff --git a/debian/control b/debian/control
index 6d26d30..b34e454 100644
--- a/debian/control
+++ b/debian/control
@@ -1,48 +1,48 @@
 Source: sylkserver
 Section: net
 Priority: optional
 Maintainer: Adrian Georgescu <ag@ag-projects.com>
 Uploaders: Tijmen de Mes <tijmen@ag-projects.com>
 Build-Depends: debhelper (>= 11), dh-python, python3, rename
 Standards-Version: 4.5.0
 
 Package: sylkserver
 Architecture: all
 Depends: ${python3:Depends}, ${misc:Depends},
          lsb-base,
          python3-application,
          python3-autobahn,
          python3-eventlib,
          python3-klein,
          python3-lxml,
-         python3-sipsimple,
+         python3-sipsimple (>=5.3.0),
          python3-systemd,
          python3-twisted
 Suggests: libavahi-compat-libdnssd1, python3-wokkel, sylkserver-webrtc-gateway
 Recommends: sylkserver-sounds
 Description: Extensible real-time-communications application server
  SylkServer is a SIP applications server that provides applications like
  echo, playback and conference, as well as act as a gateway between SIP
  and IRC, XMPP and WEBRTC.
 
 Package: sylkserver-sounds
 Architecture: all
 Depends: ${misc:Depends}
 Description: Extensible real-time-communications application server sounds
  SylkServer is a SIP applications server that provides applications like
  echo, playback and conference, as well as act as a gateway between SIP
  and IRC, XMPP and WEBRTC.
  .
  This package contains sounds used by SylkServer.
 
 Package: sylkserver-webrtc-gateway
 Architecture: all
 Depends: ${misc:Depends}, sylkserver, janus
 Recommends: python3-cassandra
 Description: Extensible real-time-communications application server WebRTC gateway
  SylkServer is a SIP applications server that provides applications like
  echo, playback and conference, as well as act as a gateway between SIP
  and IRC, XMPP and WEBRTC.
  .
  This is a meta-package containing the dependencies required to run the
  WebRTC gateway application.