diff --git a/.github/workflows/_python.yml b/.github/workflows/_python.yml
index 59e102712..2f7118036 100644
--- a/.github/workflows/_python.yml
+++ b/.github/workflows/_python.yml
@@ -51,7 +51,6 @@ jobs:
       fail-fast: false
       matrix:
         release:
-          - buster
           - bullseye
           - focal
           - jammy
diff --git a/.github/workflows/api.yml b/.github/workflows/api.yml
index 5dd5dabb1..9aa2d640d 100644
--- a/.github/workflows/api.yml
+++ b/.github/workflows/api.yml
@@ -30,7 +30,6 @@ jobs:
       fail-fast: false
       matrix:
         release:
-          - buster
           - bullseye
           - focal
           - jammy
diff --git a/.github/workflows/dev-tools.yml b/.github/workflows/dev-tools.yml
index ab231c59f..44d286ed2 100644
--- a/.github/workflows/dev-tools.yml
+++ b/.github/workflows/dev-tools.yml
@@ -19,8 +19,6 @@ jobs:
             release: focal
           - distribution: ubuntu
             release: jammy
-          - distribution: debian
-            release: buster
           - distribution: debian
             release: bullseye
           - distribution: debian
diff --git a/.github/workflows/legacy.yml b/.github/workflows/legacy.yml
index 447df6766..c08ec4bdc 100644
--- a/.github/workflows/legacy.yml
+++ b/.github/workflows/legacy.yml
@@ -26,7 +26,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - php-version: "7.3" # Buster
           - php-version: "7.4" # Bullseye, Focal
 
     steps:
@@ -45,7 +44,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - php-version: "7.3" # Buster
           - php-version: "7.4" # Bullseye, Focal
 
     env:
diff --git a/Vagrantfile b/Vagrantfile
index 02c5ad95f..f14fa36f5 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -6,7 +6,7 @@
 # export VAGRANT_NO_PORT_FORWARDING=true
 # export VAGRANT_CPUS=4
 # export VAGRANT_MEMORY=4096
-# vagrant up buster
+# vagrant up bullseye
 #
 
 Vagrant.configure('2') do |config|
@@ -107,13 +107,4 @@ Vagrant.configure('2') do |config|
     setup_nfs(config, 4)
     setup_libretime(os, 'debian.sh')
   end
-
-  config.vm.define 'buster' do |os|
-    os.vm.box = 'debian/buster64'
-    config.vm.provider 'virtualbox' do |v, override|
-      override.vm.box = 'bento/debian-10'
-    end
-    setup_nfs(config)
-    setup_libretime(os, 'debian.sh')
-  end
 end
diff --git a/analyzer/packages.ini b/analyzer/packages.ini
index eaac2efeb..c2c85aeb9 100644
--- a/analyzer/packages.ini
+++ b/analyzer/packages.ini
@@ -1,17 +1,17 @@
 # This file contains a list of package dependencies.
 [python]
-python3 = buster, bullseye, bookworm, focal, jammy
-python3-pip = buster, bullseye, bookworm, focal, jammy
-python3-pika = buster, bullseye, bookworm, focal, jammy
+python3 = bullseye, bookworm, focal, jammy
+python3-pip = bullseye, bookworm, focal, jammy
+python3-pika = bullseye, bookworm, focal, jammy
 
 [liquidsoap]
 # https://github.com/savonet/liquidsoap/blob/main/CHANGES.md
-liquidsoap = buster, bullseye, bookworm, focal, jammy
+liquidsoap = bullseye, bookworm, focal, jammy
 
 [ffmpeg]
 # Detect duration, silences and replaygain
-ffmpeg = buster, bullseye, bookworm, focal, jammy
+ffmpeg = bullseye, bookworm, focal, jammy
 
 [=development]
 # Generate fixtures
-ffmpeg = buster, bullseye, bookworm, focal, jammy
+ffmpeg = bullseye, bookworm, focal, jammy
diff --git a/analyzer/tests/pipeline/analyze_playability_test.py b/analyzer/tests/pipeline/analyze_playability_test.py
index e41fc2eb2..edfe570b1 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 buster, bullseye, focal, jammy
-    if distro.codename() in ("buster", "bullseye", "focal", "jammy"):
+    # Liquisoap does not fail with wma files on bullseye, focal, jammy
+    if distro.codename() in ("bullseye", "focal", "jammy"):
         return
 
     with pytest.raises(UnplayableFileError):
diff --git a/api/packages.ini b/api/packages.ini
index 5f462a84f..07b8c9b9a 100644
--- a/api/packages.ini
+++ b/api/packages.ini
@@ -1,15 +1,15 @@
 # This file contains a list of package dependencies.
 [python]
-python3 = buster, bullseye, focal
-python3-pip = buster, bullseye, focal
-gunicorn = buster, bullseye, focal
-python3-gunicorn = buster, bullseye, focal
-python3-uvicorn = buster, bullseye, focal
-python3-httptools = buster, bullseye, focal
-python3-uvloop = buster, bullseye, focal
+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
 
 [psycopg2]
 # See https://www.psycopg.org/docs/install.html#install-from-source
-build-essential = buster, bullseye, focal
-python3-dev = buster, bullseye, focal
-libpq-dev = buster, bullseye, focal
+build-essential = bullseye, focal
+python3-dev = bullseye, focal
+libpq-dev = bullseye, focal
diff --git a/docs/developer-manual/development/environment.md b/docs/developer-manual/development/environment.md
index 14ffa00f1..10393a838 100644
--- a/docs/developer-manual/development/environment.md
+++ b/docs/developer-manual/development/environment.md
@@ -104,7 +104,6 @@ offers the option to choose a different operation system according to you needs.
 
 | OS           | Command               | Comment                        |
 | ------------ | --------------------- | ------------------------------ |
-| Debian 10    | `vagrant up buster`   | Install on Debian Buster.      |
 | Debian 11    | `vagrant up bullseye` | Install on Debian Bullseye.    |
 | Ubuntu 20.04 | `vagrant up focal`    | Install on Ubuntu Focal Fossa. |
 
diff --git a/install b/install
index e2c0a4828..6384f193e 100755
--- a/install
+++ b/install
@@ -305,13 +305,13 @@ check_distribution()  {
 
   # shellcheck disable=SC2034
   case "$ID-$VERSION_ID" in
-    debian-10)    is_debian=true && distro="buster" ;;
     debian-11)    is_debian=true && distro="bullseye" ;;
     ubuntu-20.04) is_ubuntu=true && distro="focal" ;;
     *)
       error << "EOF"
   could not determine supported distribution "$ID-$VERSION_ID"!
 
+  Support for installing LibreTime on Buster has dropped since 3.1.0.
   Support for installing LibreTime on Bionic has dropped since 3.1.0.
   Support for installing LibreTime on Xenial has dropped since 3.0.0-alpha.10.
   Support for installing LibreTime on Stretch has dropped since 3.0.0-alpha.10.
diff --git a/legacy/packages.ini b/legacy/packages.ini
index ec31cf2f6..90dd266df 100644
--- a/legacy/packages.ini
+++ b/legacy/packages.ini
@@ -2,37 +2,19 @@
 [common]
 # The php-pear package depends on php-(cli|common|xml), be sure to
 # install the dependencies with the right php version.
-php-pear = buster, bullseye, focal
-php-amqplib = buster, bullseye, focal
+php-pear = bullseye, focal
+php-amqplib = bullseye, focal
 
 [locale]
-gettext = buster, bullseye, focal
+gettext = bullseye, focal
 
 # [apache]
-# apache2 = buster, bullseye, focal
-# libapache2-mod-php7.3 = buster
+# apache2 = bullseye, focal
 # libapache2-mod-php7.4 = bullseye, focal
 
 [php-fpm]
-php7.3-fpm = buster
 php7.4-fpm = bullseye, focal
 
-# Buster
-[php7.3]
-php7.3 = buster
-php7.3-apcu = buster
-php7.3-apcu-bc = buster
-php7.3-bcmath = buster
-php7.3-cli = buster
-php7.3-common = buster
-php7.3-curl = buster
-php7.3-dev = buster
-php7.3-gd = buster
-php7.3-mbstring = buster
-php7.3-pgsql = buster
-php7.3-xml = buster
-php7.3-yaml = buster
-
 # Bullseye, Focal
 [php7.4]
 php7.4 = bullseye, focal
diff --git a/playout/packages.ini b/playout/packages.ini
index 3a26917b9..732d0a5d8 100644
--- a/playout/packages.ini
+++ b/playout/packages.ini
@@ -1,17 +1,17 @@
 # This file contains a list of package dependencies.
 [python]
-python3 = buster, bullseye, bookworm, focal, jammy
-python3-pip = buster, bullseye, bookworm, focal, jammy
+python3 = bullseye, bookworm, focal, jammy
+python3-pip = bullseye, bookworm, focal, jammy
 python3-lxml = bullseye, bookworm, focal, jammy
 
 [liquidsoap]
 # https://github.com/savonet/liquidsoap/blob/main/CHANGES.md
-liquidsoap = buster, bullseye, bookworm, focal, jammy
+liquidsoap = bullseye, bookworm, focal, jammy
 
 [recorder]
-ecasound = buster, bullseye, bookworm, focal, jammy
+ecasound = bullseye, bookworm, focal, jammy
 
 [misc]
 # Used by pypofetch to check if a file is open.
 # TODO: consider using a python library
-lsof = buster, bullseye, bookworm, focal, jammy
+lsof = bullseye, bookworm, focal, jammy
diff --git a/playout/tests/liquidsoap/version_test.py b/playout/tests/liquidsoap/version_test.py
index 17ddd545d..566cfc704 100644
--- a/playout/tests/liquidsoap/version_test.py
+++ b/playout/tests/liquidsoap/version_test.py
@@ -28,7 +28,6 @@ def test_parse_liquidsoap_version(version, expected):
 @pytest.mark.skipif(getenv("CI") != "true", reason="requires liquidsoap")
 def test_get_liquidsoap_version():
     LIQUIDSOAP_VERSION_MAP = {
-        "buster": (1, 3, 3),
         "focal": (1, 4, 1),
         "bullseye": (1, 4, 3),
         "jammy": (2, 0, 2),
diff --git a/shared/packages.ini b/shared/packages.ini
index 9487c48dd..8a8f70f61 100644
--- a/shared/packages.ini
+++ b/shared/packages.ini
@@ -1,3 +1,3 @@
 # This file contains a list of package dependencies.
 [tzdata]
-tzdata = buster, bullseye, bookworm, focal, jammy
+tzdata = bullseye, bookworm, focal, jammy
diff --git a/tools/packages.py b/tools/packages.py
index 875df026a..b4e908658 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 = ("buster", "bullseye", "bookworm", "focal", "jammy")
+DISTRIBUTIONS = ("bullseye", "bookworm", "focal", "jammy")
 
 SETTINGS_SECTION = "=settings"
 DEVELOPMENT_SECTION = "=development"
diff --git a/tools/packages_test.py b/tools/packages_test.py
index 6d00e9cbc..44c06535f 100644
--- a/tools/packages_test.py
+++ b/tools/packages_test.py
@@ -4,25 +4,25 @@ from tools.packages import list_packages, load_packages
 
 PACKAGE_INI = """
 [common]
-postgresql = buster, focal
+postgresql = jammy, focal
 # Some comment
-curl = buster, bullseye
+curl = jammy, bullseye
 
 [legacy]
 some-package = bullseye, focal
 
 [=development]
-ffmpeg = buster, bullseye, focal
+ffmpeg = jammy, bullseye, focal
 """
 
-result_buster = {"curl", "postgresql"}
+result_jammy = {"curl", "postgresql"}
 result_bullseye = {"some-package", "curl", "ffmpeg"}
 result_focal = {"postgresql", "some-package", "ffmpeg"}
 result_exclude = {"postgresql", "ffmpeg"}
 
 
 def test_load_packages():
-    assert load_packages(PACKAGE_INI, "buster", False) == result_buster
+    assert load_packages(PACKAGE_INI, "jammy", False) == result_jammy
     assert load_packages(PACKAGE_INI, "bullseye", True) == result_bullseye
     assert load_packages(PACKAGE_INI, "focal", True) == result_focal
     assert load_packages(PACKAGE_INI, "focal", True, ["legacy"]) == result_exclude
@@ -32,6 +32,6 @@ def test_list_packages(tmp_path: Path) -> None:
     package_file = tmp_path / "packages.ini"
     package_file.write_text(PACKAGE_INI)
 
-    assert list_packages([tmp_path, package_file], "buster", False) == result_buster
+    assert list_packages([tmp_path, package_file], "jammy", False) == result_jammy
     assert list_packages([tmp_path, package_file], "bullseye", True) == result_bullseye
     assert list_packages([tmp_path, package_file], "focal", True) == result_focal