diff --git a/.github/workflows/_python.yml b/.github/workflows/_python.yml
index 2f7118036..05efcaf9e 100644
--- a/.github/workflows/_python.yml
+++ b/.github/workflows/_python.yml
@@ -51,8 +51,8 @@ jobs:
       fail-fast: false
       matrix:
         release:
-          - bullseye
           - focal
+          - bullseye
           - jammy
 
     container:
diff --git a/.github/workflows/api.yml b/.github/workflows/api.yml
index 9aa2d640d..1bd9c2e50 100644
--- a/.github/workflows/api.yml
+++ b/.github/workflows/api.yml
@@ -30,8 +30,8 @@ jobs:
       fail-fast: false
       matrix:
         release:
-          - bullseye
           - focal
+          - bullseye
           - jammy
 
     services:
diff --git a/.github/workflows/dev-tools.yml b/.github/workflows/dev-tools.yml
index 44d286ed2..cd5a09fcb 100644
--- a/.github/workflows/dev-tools.yml
+++ b/.github/workflows/dev-tools.yml
@@ -17,10 +17,10 @@ jobs:
         include:
           - distribution: ubuntu
             release: focal
-          - distribution: ubuntu
-            release: jammy
           - distribution: debian
             release: bullseye
+          - distribution: ubuntu
+            release: jammy
           - distribution: debian
             release: bookworm
 
diff --git a/.github/workflows/legacy.yml b/.github/workflows/legacy.yml
index c08ec4bdc..24438a311 100644
--- a/.github/workflows/legacy.yml
+++ b/.github/workflows/legacy.yml
@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - php-version: "7.4" # Bullseye, Focal
+          - php-version: "7.4" # Focal, Bullseye
 
     steps:
       - uses: actions/checkout@v3
@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - php-version: "7.4" # Bullseye, Focal
+          - php-version: "7.4" # Focal, Bullseye
 
     env:
       ENVIRONMENT: testing
diff --git a/analyzer/packages.ini b/analyzer/packages.ini
index c2c85aeb9..08f27ec39 100644
--- a/analyzer/packages.ini
+++ b/analyzer/packages.ini
@@ -1,17 +1,17 @@
 # This file contains a list of package dependencies.
 [python]
-python3 = bullseye, bookworm, focal, jammy
-python3-pip = bullseye, bookworm, focal, jammy
-python3-pika = bullseye, bookworm, focal, jammy
+python3 = focal, bullseye, jammy, bookworm
+python3-pip = focal, bullseye, jammy, bookworm
+python3-pika = focal, bullseye, jammy, bookworm
 
 [liquidsoap]
 # https://github.com/savonet/liquidsoap/blob/main/CHANGES.md
-liquidsoap = bullseye, bookworm, focal, jammy
+liquidsoap = focal, bullseye, jammy, bookworm
 
 [ffmpeg]
 # Detect duration, silences and replaygain
-ffmpeg = bullseye, bookworm, focal, jammy
+ffmpeg = focal, bullseye, jammy, bookworm
 
 [=development]
 # Generate fixtures
-ffmpeg = bullseye, bookworm, focal, jammy
+ffmpeg = focal, bullseye, jammy, bookworm
diff --git a/analyzer/tests/pipeline/analyze_playability_test.py b/analyzer/tests/pipeline/analyze_playability_test.py
index edfe570b1..55b105c91 100644
--- a/analyzer/tests/pipeline/analyze_playability_test.py
+++ b/analyzer/tests/pipeline/analyze_playability_test.py
@@ -33,8 +33,8 @@ def test_analyze_playability_invalid_filepath():
 
 
 def test_analyze_playability_invalid_wma():
-    # Liquisoap does not fail with wma files on bullseye, focal, jammy
-    if distro.codename() in ("bullseye", "focal", "jammy"):
+    # Liquisoap does not fail with wma files on focal, bullseye, jammy
+    if distro.codename() in ("focal", "bullseye", "jammy"):
         return
 
     with pytest.raises(UnplayableFileError):
diff --git a/api/packages.ini b/api/packages.ini
index 07b8c9b9a..bda6be438 100644
--- a/api/packages.ini
+++ b/api/packages.ini
@@ -1,15 +1,15 @@
 # This file contains a list of package dependencies.
 [python]
-python3 = bullseye, focal
-python3-pip = bullseye, focal
-gunicorn = bullseye, focal
-python3-gunicorn = bullseye, focal
-python3-uvicorn = bullseye, focal
-python3-httptools = bullseye, focal
-python3-uvloop = bullseye, focal
+python3 = focal, bullseye
+python3-pip = focal, bullseye
+gunicorn = focal, bullseye
+python3-gunicorn = focal, bullseye
+python3-uvicorn = focal, bullseye
+python3-httptools = focal, bullseye
+python3-uvloop = focal, bullseye
 
 [psycopg2]
 # See https://www.psycopg.org/docs/install.html#install-from-source
-build-essential = bullseye, focal
-python3-dev = bullseye, focal
-libpq-dev = bullseye, focal
+build-essential = focal, bullseye
+python3-dev = focal, bullseye
+libpq-dev = focal, bullseye
diff --git a/docs/developer-manual/development/environment.md b/docs/developer-manual/development/environment.md
index 10393a838..d1f91df34 100644
--- a/docs/developer-manual/development/environment.md
+++ b/docs/developer-manual/development/environment.md
@@ -104,8 +104,8 @@ offers the option to choose a different operation system according to you needs.
 
 | OS           | Command               | Comment                        |
 | ------------ | --------------------- | ------------------------------ |
-| Debian 11    | `vagrant up bullseye` | Install on Debian Bullseye.    |
 | Ubuntu 20.04 | `vagrant up focal`    | Install on Ubuntu Focal Fossa. |
+| Debian 11    | `vagrant up bullseye` | Install on Debian Bullseye.    |
 
 ### Troubleshooting
 
diff --git a/install b/install
index 6384f193e..a59756066 100755
--- a/install
+++ b/install
@@ -305,8 +305,8 @@ check_distribution()  {
 
   # shellcheck disable=SC2034
   case "$ID-$VERSION_ID" in
-    debian-11)    is_debian=true && distro="bullseye" ;;
     ubuntu-20.04) is_ubuntu=true && distro="focal" ;;
+    debian-11)    is_debian=true && distro="bullseye" ;;
     *)
       error << "EOF"
   could not determine supported distribution "$ID-$VERSION_ID"!
diff --git a/legacy/packages.ini b/legacy/packages.ini
index 90dd266df..16a87ff54 100644
--- a/legacy/packages.ini
+++ b/legacy/packages.ini
@@ -2,31 +2,31 @@
 [common]
 # The php-pear package depends on php-(cli|common|xml), be sure to
 # install the dependencies with the right php version.
-php-pear = bullseye, focal
-php-amqplib = bullseye, focal
+php-pear = focal, bullseye
+php-amqplib = focal, bullseye
 
 [locale]
-gettext = bullseye, focal
+gettext = focal, bullseye
 
 # [apache]
-# apache2 = bullseye, focal
-# libapache2-mod-php7.4 = bullseye, focal
+# apache2 = focal, bullseye
+# libapache2-mod-php7.4 = focal, bullseye
 
 [php-fpm]
-php7.4-fpm = bullseye, focal
+php7.4-fpm = focal, bullseye
 
-# Bullseye, Focal
+# Focal, Bullseye
 [php7.4]
-php7.4 = bullseye, focal
-php7.4-apcu = bullseye, focal
-php7.4-apcu-bc = bullseye, focal
-php7.4-bcmath = bullseye, focal
-php7.4-cli = bullseye, focal
-php7.4-common = bullseye, focal
-php7.4-curl = bullseye, focal
-php7.4-dev = bullseye, focal
-php7.4-gd = bullseye, focal
-php7.4-mbstring = bullseye, focal
-php7.4-pgsql = bullseye, focal
-php7.4-xml = bullseye, focal
-php7.4-yaml = bullseye, focal
+php7.4 = focal, bullseye
+php7.4-apcu = focal, bullseye
+php7.4-apcu-bc = focal, bullseye
+php7.4-bcmath = focal, bullseye
+php7.4-cli = focal, bullseye
+php7.4-common = focal, bullseye
+php7.4-curl = focal, bullseye
+php7.4-dev = focal, bullseye
+php7.4-gd = focal, bullseye
+php7.4-mbstring = focal, bullseye
+php7.4-pgsql = focal, bullseye
+php7.4-xml = focal, bullseye
+php7.4-yaml = focal, bullseye
diff --git a/playout/packages.ini b/playout/packages.ini
index 732d0a5d8..c092eea88 100644
--- a/playout/packages.ini
+++ b/playout/packages.ini
@@ -1,17 +1,17 @@
 # This file contains a list of package dependencies.
 [python]
-python3 = bullseye, bookworm, focal, jammy
-python3-pip = bullseye, bookworm, focal, jammy
-python3-lxml = bullseye, bookworm, focal, jammy
+python3 = focal, bullseye, jammy, bookworm
+python3-pip = focal, bullseye, jammy, bookworm
+python3-lxml = focal, bullseye, jammy, bookworm
 
 [liquidsoap]
 # https://github.com/savonet/liquidsoap/blob/main/CHANGES.md
-liquidsoap = bullseye, bookworm, focal, jammy
+liquidsoap = focal, bullseye, jammy, bookworm
 
 [recorder]
-ecasound = bullseye, bookworm, focal, jammy
+ecasound = focal, bullseye, jammy, bookworm
 
 [misc]
 # Used by pypofetch to check if a file is open.
 # TODO: consider using a python library
-lsof = bullseye, bookworm, focal, jammy
+lsof = focal, bullseye, jammy, bookworm
diff --git a/shared/packages.ini b/shared/packages.ini
index 8a8f70f61..c02617359 100644
--- a/shared/packages.ini
+++ b/shared/packages.ini
@@ -1,3 +1,3 @@
 # This file contains a list of package dependencies.
 [tzdata]
-tzdata = bullseye, bookworm, focal, jammy
+tzdata = focal, bullseye, jammy, bookworm
diff --git a/tools/packages.py b/tools/packages.py
index b4e908658..f2de3fa81 100755
--- a/tools/packages.py
+++ b/tools/packages.py
@@ -8,7 +8,7 @@ from typing import Iterator, List, Optional, Set
 
 DEFAULT_PACKAGES_FILENAME = "packages.ini"
 FORMATS = ("list", "line")
-DISTRIBUTIONS = ("bullseye", "bookworm", "focal", "jammy")
+DISTRIBUTIONS = ("focal", "bullseye", "jammy", "bookworm")
 
 SETTINGS_SECTION = "=settings"
 DEVELOPMENT_SECTION = "=development"
diff --git a/tools/packages_test.py b/tools/packages_test.py
index 44c06535f..ad7e644b7 100644
--- a/tools/packages_test.py
+++ b/tools/packages_test.py
@@ -4,15 +4,15 @@ from tools.packages import list_packages, load_packages
 
 PACKAGE_INI = """
 [common]
-postgresql = jammy, focal
+postgresql = focal, jammy
 # Some comment
-curl = jammy, bullseye
+curl = bullseye, jammy
 
 [legacy]
-some-package = bullseye, focal
+some-package = focal, bullseye
 
 [=development]
-ffmpeg = jammy, bullseye, focal
+ffmpeg = focal, bullseye, jammy
 """
 
 result_jammy = {"curl", "postgresql"}