diff --git a/.packer.json b/.packer.json
index 7e6ecb45377d39c58a625050561145e412c99a19..3d1e3efe95ab6b73cefcde271625451e6721c9b7 100644
--- a/.packer.json
+++ b/.packer.json
@@ -7,6 +7,7 @@
             "cp ring-daemon.spec ..",
             "git archive --format=tar --prefix=ring-daemon/ -o /sources/daemon origin/master",
             "cd ..",
+            "sed -i 's/define release .*/define release {{RELEASE_NUMBER}}/g' ring-daemon.spec",
             "sed -i 's/%setup -q/%setup -n ring-daemon/' ring-daemon.spec",
             "rpmbuild -ba ring-daemon.spec --define \"_sourcedir /sources\"",
             "cp -R /root/rpmbuild/RPMS/x86_64/* /output"
@@ -17,6 +18,7 @@
             "cp ring-daemon.spec ..",
             "git archive --format=tar --prefix=ring-daemon/ -o /sources/daemon origin/master",
             "cd ..",
+            "sed -i 's/define release .*/define release {{RELEASE_NUMBER}}/g' ring-daemon.spec",
             "sed -i 's/%setup -q/%setup -n ring-daemon/' ring-daemon.spec",
             "rpmbuild -ba ring-daemon.spec --define \"_sourcedir /sources\"",
             "cp -R /root/rpmbuild/RPMS/i686/* /output"
@@ -27,6 +29,7 @@
             "cp ring-daemon.spec ..",
             "git archive --format=tar --prefix=ring-daemon/ -o /sources/daemon origin/master",
             "cd ..",
+            "sed -i 's/define release .*/define release {{RELEASE_NUMBER}}/g' ring-daemon.spec",
             "sed -i 's/%setup -q/%setup -n ring-daemon/' ring-daemon.spec",
             "rpmbuild -ba ring-daemon.spec --define \"_sourcedir /sources\"",
             "cp -R /root/rpmbuild/RPMS/x86_64/* /output"
@@ -35,7 +38,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -45,7 +48,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -55,7 +58,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -65,7 +68,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -75,7 +78,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -85,7 +88,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -95,7 +98,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -105,7 +108,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -115,7 +118,7 @@
             "mkdir -p /sources/ring-daemon",
             "cd /sources/ring-daemon",
             "/ring-daemon/debian/rules get-orig-source",
-            "dch --newversion $(dpkg-parsechangelog --show-field Version) \"Automatic nightly release\"",
+            "dch --newversion $(dpkg-parsechangelog | perl -ne 'print $1 if m{^Version:\\s+([\\d\\.]+)};')-{{RELEASE_NUMBER}} \"Automatic nightly release\"",
             "dch --release --distribution \"unstable\" debian/changelog",
             "dpkg-buildpackage -uc -us",
             "cd .. ",
@@ -173,5 +176,5 @@
         "ubuntu_15.04_i386": "@midnight"
     },
     "DeployScript": "ring-nightly-sign-deploy.sh",
-    "NotificationMailAdress": ["Awesome Ring Team", "ring-dev@savoirfairelinux.com"]
+    "NotificationMailAdress": ["Awesome Ring Team", "ring-dev@lists.savoirfairelinux.net"]
 }
diff --git a/docker/debian_8/Dockerfile b/docker/debian_8/Dockerfile
index 02afe04b899356c87afcd73b9da42654aa7d53e9..53b1a2e0fd68f66ab12372ec7c917e8616a6e2f4 100644
--- a/docker/debian_8/Dockerfile
+++ b/docker/debian_8/Dockerfile
@@ -1,7 +1,8 @@
 FROM debian:8
 
 RUN apt-get update && ( apt-get upgrade -y || apt-get upgrade -y || apt-get upgrade -y )
-RUN apt-get install -y devscripts debianutils debhelper build-essential tar rsync git  autoconf automake libpulse-dev libsamplerate0-dev libtool libdbus-1-dev \
+RUN apt-get install -y devscripts debianutils debhelper build-essential tar \
+ rsync git  autoconf automake libpulse-dev libsamplerate0-dev libtool libdbus-1-dev \
  libasound2-dev libexpat1-dev libpcre3-dev libyaml-cpp-dev libboost-dev \
  libdbus-c++-dev libsndfile1-dev libsrtp-dev libxext-dev \
  libxfixes-dev yasm autopoint unbound-anchor git-core libspeex-dev \