diff --git a/debian/control b/debian/control
index 160d38c0..641375cf 100644
--- a/debian/control
+++ b/debian/control
@@ -1,48 +1,48 @@
 Source: python3-sipsimple
 Section: python
 Priority: optional
 Maintainer: Adrian Georgescu <ag@ag-projects.com>
 Uploaders: Tijmen de Mes <tijmen@ag-projects.com>
 Build-Depends: debhelper (>= 11), python3,
                dh-python,
                python3-all-dev,
-               cython3-legacy,
+               cython3,
                libasound2-dev,
                python3-dateutil,
                python3-dnspython,
                libssl-dev,
                libv4l-dev,
                libavcodec-dev,
                libavformat-dev,
                libopencore-amrnb-dev,
                libopencore-amrwb-dev,
                libavutil-dev,
                libswscale-dev,
                libx264-dev,
                libvpx-dev,
                libopus-dev,
                libsqlite3-dev,
                pkg-config,
                uuid-dev
 Standards-Version: 4.5.0
 Homepage: https://sipsimpleclient.org
 
 Package: python3-sipsimple
 Architecture: any
 Depends: ${python3:Depends}, ${shlibs:Depends}, ${misc:Depends},
          python3-application,
          python3-dateutil,
          python3-dnspython,
          python3-eventlib,
          python3-gevent,
          python3-gnutls,
          python3-lxml,
          python3-msrplib,
          python3-twisted,
          python3-xcaplib
 Suggests: libavahi-compat-libdnssd1, python3-otr
 Provides: ${python3:Provides}
 Description: SIP SIMPLE SDK is a Python library for desktop operating
  systems designed for the development of real time communications
  applications based on SIP protocol and related media like audio, video,
  messaging, file transfers, desktop sharing and presence.
diff --git a/get_dependencies.sh b/get_dependencies.sh
index a5fbb36a..75b6cc2f 100755
--- a/get_dependencies.sh
+++ b/get_dependencies.sh
@@ -1,83 +1,83 @@
 #!/bin/bash
 
 
 unamestr=$(uname)
 if [[ "$unamestr" == 'Linux' ]]; then
 sudo apt install python3 dh-python python3-all-dev cython3 libasound2-dev \
 python3-dateutil python3-dnspython libssl-dev libv4l-dev libavcodec-dev \
 libavformat-dev libopencore-amrnb-dev libopencore-amrwb-dev libavutil-dev \
 libswscale-dev libx264-dev libvpx-dev libopus-dev libsqlite3-dev pkg-config \
-uuid-dev cython cython-dbg python3-setuptools devscripts debhelper dh-python \
+uuid-dev cython3 cython3-dbg python3-setuptools devscripts debhelper dh-python \
 python3-all-dev python3-all-dbg libasound2-dev libssl-dev libsqlite3-dev
 fi
 
 cd deps
 
 #
 # Update PJSIP 
 #
 echo "Preparing PJSIP sources..."
 if [ ! -f 2.10.tar.gz ]; then
     echo Downloading PJSIP 2.10...
     wget https://github.com/pjsip/pjproject/archive/2.10.tar.gz
     if [ $? -eq 0 ]; then
         echo "PJSIP downloaded"
     else
        echo Fail to download PJSIP
        exit 1
     fi
 fi
 
 tar xzf 2.10.tar.gz
 
 if [ -d pjsip ]; then
    rm -r pjsip
 fi
 
 mkdir pjsip
 mv pjproject*/* ./pjsip/
 
 #
 # Update ZSRTP
 #
 
 # Clone latest version from github
 if [ ! -d ZRTPCPP ]; then
     echo Downloading ZRTP...
     git clone https://github.com/wernerd/ZRTPCPP.git
     if [ $? -eq 0 ]; then
         echo "ZRTP downloaded"
         cd ZRTPCPP
         git checkout 6b3cd8e6783642292bad0c21e3e5e5ce45ff3e03
         cd ..
     else
        echo Fail to download ZRTP
        exit 1
     fi
 fi
 
 # Copy wrapper from old version to third_party/zsrtp/
 echo "Preparing ZRTP sources..."
 mkdir ./pjsip/third_party/zsrtp
 cp -r zsrtp/include ./pjsip/third_party/zsrtp/
 cp -r zsrtp/srtp    ./pjsip/third_party/zsrtp/
 cp -r zsrtp/build   ./pjsip/third_party/build/zsrtp
 
 # Copy new version to third_party/zsrtp/
 mkdir ./pjsip/third_party/zsrtp/zrtp
 cp -r ZRTPCPP/bnlib ./pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/common ./pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/cryptcommon ./pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/srtp ./pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/zrtp ./pjsip/third_party/zsrtp/zrtp/
 cp ZRTPCPP/COPYING ./pjsip/third_party/zsrtp/zrtp/
 cp ZRTPCPP/README.md ./pjsip/third_party/zsrtp/zrtp/
 
 
 for p in patches/0*.patch; do
     echo "Applying patch $p"
     patch -p0 < $p > /dev/null
 done
 
 cd - > /dev/null