citusdata · ibrahim halatci (ihalatci) · Sep 9, 2026 · Sep 8, 2026 · Sep 8, 2026 · Sep 8, 2026
diff --git a/.github/workflows/citus-package-all-platforms-test.yml b/.github/workflows/citus-package-all-platforms-test.yml
@@ -25,7 +25,6 @@ jobs:
           - el/8
           - ol/9
           - ol/8
-          - debian/bullseye
           - debian/bookworm
           - debian/trixie
           - ubuntu/jammy

diff --git a/.github/workflows/package-tests.yml b/.github/workflows/package-tests.yml
@@ -51,7 +51,6 @@ jobs:
         platform:
           - el/9
           - ol/9
-          - debian/bullseye
           - debian/bookworm
           - ubuntu/jammy
           - ubuntu/noble

diff --git a/packaging_automation/README.md b/packaging_automation/README.md
@@ -40,6 +40,9 @@ python -m pip install -r packaging_automation/requirements.txt
 
 If all the steps above completed successfully , you are ready for script execution
 
+Debian 11 (Bullseye) is no longer supported after Debian LTS ended on 2026-08-31.
+Use Bookworm or Trixie instead. Already-published packages remain available.
+
 # **Prepare Release **
 
 prepare-release.py script performs the pre-packaging configurations in citus/citus-enterprise projects.
@@ -244,4 +247,3 @@ Script executes docker build on given image type and publishes the docker image
             --exec_path "$(pwd)" --tag_name ${{ github.event.inputs.tag_name }} \
             --manual_trigger_type ${{ github.event.inputs.trigger_type }}
 ```
-
diff --git a/packaging_automation/citus_package.py b/packaging_automation/citus_package.py
@@ -54,7 +54,6 @@
     "centos,8": "el/8",
     "centos,7": "el/7",
     "debian,bookworm": "debian/bookworm",
-    "debian,bullseye": "debian/bullseye",
     "debian,stretch": "debian/stretch",
     "debian,trixie": "debian/trixie",
     "oraclelinux,8": "ol/8",

diff --git a/packaging_automation/common_tool_methods.py b/packaging_automation/common_tool_methods.py
@@ -39,7 +39,6 @@
 supported_platforms = {
     "debian": [
         "bookworm",
-        "bullseye",
         "buster",
         "stretch",
         "jessie",

diff --git a/packaging_automation/test_citus_package.py b/packaging_automation/test_citus_package.py
@@ -37,10 +37,6 @@ class TestPlatform(Enum):
     ol_9 = {"name": "ol/9", "docker_image_name": "ol-9"}
     debian_stretch = {"name": "debian/stretch", "docker_image_name": "debian-stretch"}
     debian_buster = {"name": "debian/buster", "docker_image_name": "debian-buster"}
-    debian_bullseye = {
-        "name": "debian/bullseye",
-        "docker_image_name": "debian-bullseye",
-    }
     debian_bookworm = {
         "name": "debian/bookworm",
         "docker_image_name": "debian-bookworm",

diff --git a/packaging_automation/tests/test_citus_package.py b/packaging_automation/tests/test_citus_package.py
@@ -53,7 +53,6 @@
     "el/9": 1,
     "ol/9": 1,
     "debian/stretch": 2,
-    "debian/bullseye": 2,
     "debian/bookworm": 2,
     "debian/trixie": 2,
     "ubuntu/bionic": 2,
@@ -237,10 +236,10 @@ def test_get_postgres_versions_el_7():
     assert len(nightly_versions) == 2 and nightly_versions == ["14", "15"]
 
 
-def test_get_postgres_versions_debain_bullseye():
+def test_get_postgres_versions_debian_bookworm():
     release_versions, nightly_versions = get_postgres_versions(
         input_files_dir=f"{os.getcwd()}/packaging_automation/tests/files/get_postgres_versions_tests",
-        platform="debian/bullseye",
+        platform="debian/bookworm",
     )
     # pg 15 is excluded for all releases with pg_exclude file
     assert len(release_versions) == 2 and release_versions == ["13", "14"]

diff --git a/packaging_automation/upload_to_package_cloud.py b/packaging_automation/upload_to_package_cloud.py
@@ -18,7 +18,6 @@
     "ol/9": 244,
     "debian/stretch": 149,
     "debian/buster": 150,
-    "debian/bullseye": 207,
     "debian/bookworm": 215,
     "debian/trixie": 221,
     "ubuntu/bionic": 190,

diff --git a/test-images/debian-bullseye/Dockerfile b/test-images/debian-bullseye/Dockerfile