diff --git a/.gitignore b/.gitignore
index 2169722b..9ed46471 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,5 @@ vendor
 tests-report*.xml
 .phplint-cache
 /ldapsaisie-snapshot.tar.gz
+/dist
+/.env
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8f3cf59f..dab2e827 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 stages:
   - tests
   - build
-  - deploy
+  - publish
 
 tests:bullseye:
   image:
@@ -86,6 +86,15 @@ tests:jessie:
     - rm -f .phplint-cache
     - /tmp/vendor/bin/phplint src
 
+build:debian-sid:
+  image: brenard/debian-python-deb:debian11
+  stage: build
+  script:
+    - ./build-deb.sh --install-build-deps --sid
+  artifacts:
+    paths:
+      - dist/*
+
 build:snapshot:
   stage: build
   image: alpine
@@ -138,9 +147,14 @@ build:doc:epub:
     paths:
       - doc/LdapSaisie.epub
 
-deploy:
-  stage: deploy
+publish:
+  stage: publish
   image: alpine:latest
+  needs:
+    - 'build:doc'
+    - 'build:doc:pdf'
+    - 'build:doc:epub'
+    - 'build:snapshot'
   before_script:
     - apk update && apk add openssh-client rsync
     - eval $(ssh-agent -s)
@@ -151,3 +165,20 @@ deploy:
     - rsync -atv --exclude '.git*' --delete --progress ./doc/public_html/ $SSH_USER@$SSH_HOST:doc/
     - rsync -atv ./doc/LdapSaisie.html ./doc/LdapSaisie.pdf ./doc/LdapSaisie.epub $SSH_USER@$SSH_HOST:doc/
     - rsync -atv ldapsaisie-snapshot.tar.gz $SSH_USER@$SSH_HOST:download/ldapsaisie-snapshot.tar.gz
+
+publish:debian-sid:
+  stage: publish
+  image: debian:stable-slim
+  needs:
+    - 'build:debian-sid'
+  before_script:
+    - apt-get update
+    - apt-get install -y --no-install-recommends rsync openssh-client dupload
+    - eval $(ssh-agent -s)
+    - echo "$SSH_PRIVATE_KEY" | base64 -d | ssh-add -
+    - mkdir ~/.ssh
+    - echo "$SSH_HOST_KEY" | base64 -d > ~/.ssh/known_hosts
+    - echo "$DUPLOAD_CONFIG" | base64 -d > ~/.dupload.conf
+  script:
+    - echo "Publish Sid debian packages on APT repository..."
+    - dupload --to debian-sid dist/ldapsaisie*changes
diff --git a/build-deb.sh b/build-deb.sh
new file mode 100755
index 00000000..444d3342
--- /dev/null
+++ b/build-deb.sh
@@ -0,0 +1,132 @@
+#!/bin/bash
+
+INSTALL_BUILD_DEPS=0
+SID=0
+
+function usage() {
+        [ -n "$@" ] && echo -e "$@\n" > /dev/stderr
+        echo "Usage: $0 [--install-build-deps] [--sid]"
+        [ -n "$@" ] && exit 1
+}
+
+idx=1
+while [ $idx -le $# ]
+do
+        OPT=${!idx}
+        case $OPT in
+                --install-build-deps)
+                        INSTALL_BUILD_DEPS=1
+                        ;;
+                --sid)
+                        SID=1
+                        ;;
+		-x)
+			set -x
+			;;
+                *)
+                        usage "Unkown parameter '$OPT'"
+        esac
+        let idx=idx+1
+done
+
+# Enter source directory
+cd $( dirname $0 )
+
+# Install build dependencies
+if [ $INSTALL_BUILD_DEPS -eq 1 ]
+then
+	apt-get update
+	apt-get install --no-install-recommends --yes devscripts equivs sed rsync git lsb-release wget ca-certificates
+	mk-build-deps --install --tool='apt-get -o Debug::pkgProblemResolver=yes --no-install-recommends --yes' debian/control
+fi
+
+DEBIAN_RELEASE=$( lsb_release -r -s|sed 's/\..*$//' )
+
+# Install build dependencies based on Debian release
+if [ $INSTALL_BUILD_DEPS -eq 1 ]
+then
+	# On Debian Stretch, install GitPython using pip because strect version of python3-git have bugs
+	if [ $DEBIAN_RELEASE -eq 9 ]
+	then
+		apt-get install --no-install-recommends --yes python3-pip
+		python3 -m pip install GitPython
+	else
+		apt-get install --no-install-recommends --yes python3-git
+	fi
+fi
+
+# Install GPG key (if provided)
+if [ -n "$GPG_KEY" ]
+then
+	[ $INSTALL_BUILD_DEPS -eq 1 ] && apt-get install --no-install-recommends --yes gnupg2
+	echo "$GPG_KEY"|base64 -d|gpg --import
+fi
+
+# Retreive source package name
+SOURCE_PACKAGE_NAME=$( grep -E ^Source: debian/control|sed 's/^Source: //' )
+
+[ $SID -eq 1 ] && DEBIAN_CODENAME=sid || DEBIAN_CODENAME=$( lsb_release -c -s )
+
+# Clean previous build
+rm -fr $SOURCE_PACKAGE_NAME-build-deps* dist
+
+# Compute version using git describe
+VERSION="$( git describe --tags 2> /dev/null )"
+
+# If no tag exist, git describe will fail: in this case, compute a 0.0 version with same format
+# as git describe
+[ $? -ne 0 ] && VERSION="0.0-$( git log --oneline|wc -l )-$( git describe --tags --always )"
+
+# Create dist directory
+mkdir dist
+DIST_DIR=dist/$SOURCE_PACKAGE_NAME-$VERSION
+rsync -av --exclude 'dist' --exclude '.git*' --exclude 'build.sh' --exclude 'docker-builds.sh' ./ $DIST_DIR/
+
+# Check gitdch is installed
+GITDCH=$(which gitdch)
+set -e
+if [ -z "$GITDCH" ]
+then
+        TMP_GITDCH=$(mktemp -d)
+        echo "Temporary install gitdch in $TMP_GITDCH"
+	wget -O $TMP_GITDCH/gitdch https://gitea.zionetrix.net/bn8/gitdch/raw/master/gitdch
+	chmod +x $TMP_GITDCH/gitdch
+        GITDCH=$TMP_GITDCH/gitdch
+else
+        TMP_GITDCH=""
+fi
+
+# Compute gitdch extra args
+GITDCH_EXTRA_ARGS=()
+[ -n "$DEBFULLNAME" ] && GITDCH_EXTRA_ARGS+=( "--maintainer-name" "$DEBFULLNAME" )
+[ -n "$DEBEMAIL" ] && GITDCH_EXTRA_ARGS+=( "--maintainer-email" "$DEBEMAIL" )
+
+if [ -e debian/changelog ]
+then
+	LAST_MANUAL_COMMIT_ID=$( git log --oneline -n1 -- debian/changelog|awk '{print $1}' )
+	GITDCH_EXTRA_ARGS+=( "--append" "--revision" "${LAST_MANUAL_COMMIT_ID}..HEAD" )
+fi
+
+# Generate debian changelog using generate_debian_changelog.py
+$GITDCH \
+	--package-name $SOURCE_PACKAGE_NAME \
+	--version="${VERSION}" \
+	--code-name $DEBIAN_CODENAME \
+	--output $DIST_DIR/debian/changelog \
+	--release-notes ../release-notes.md \
+	--exclude "^CI: " \
+	--exclude "^debian: " \
+	--exclude "\.gitlab-ci\.yml" \
+	--exclude "build\.sh" \
+	--exclude "README\.md" \
+	--exclude "^Merge branch " \
+	--verbose "${GITDCH_EXTRA_ARGS[@]}"
+
+# Clean temporary gitdch installation
+[ -n "$TMP_GITDCH" ] && rm -fr $TMP_GITDCH
+
+# Build debian package
+BUILD_ARGS=""
+[ -z "$GPG_KEY" ] && BUILD_ARGS="--no-sign" || echo "GPG key provide, enable package signing."
+cd $DIST_DIR/
+dpkg-buildpackage $BUILD_ARGS