diff --git a/.zuul.yaml b/.zuul.yaml
index e8b0fda..777f116 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -20,8 +20,8 @@
     description: Build OpenDev Docker images for storyboard webclient
     provides: gerritbot-container-image
     requires:
-      - python-builder-3.10-bullseye-container-image
-      - python-base-3.10-bullseye-container-image
+      - python-builder-3.11-bookworm-container-image
+      - python-base-3.11-bookworm-container-image
     required-projects: &gerritbot_opendev_required_projects
       - opendev/gerritlib
     vars: &gerritbot_opendev_image_vars
@@ -39,8 +39,8 @@
     description: Build OpenDev gerritbot Docker images and upload to Docker Hub.
     provides: gerritbot-container-image
     requires:
-      - python-builder-3.10-bullseye-container-image
-      - python-base-3.10-bullseye-container-image
+      - python-builder-3.11-bookworm-container-image
+      - python-base-3.11-bookworm-container-image
     required-projects: *gerritbot_opendev_required_projects
     vars: *gerritbot_opendev_image_vars
     secrets:
@@ -62,17 +62,13 @@
     check:
       jobs:
         - tox-pep8
-        - tox-py38:
-            nodeset: ubuntu-focal
-        - tox-py310:
+        - tox-py311:
             nodeset: ubuntu-jammy
         - gerritbot-build-opendev-image
     gate:
       jobs:
         - tox-pep8
-        - tox-py38:
-            nodeset: ubuntu-focal
-        - tox-py310:
+        - tox-py311:
             nodeset: ubuntu-jammy
         - gerritbot-upload-opendev-image
     promote:
diff --git a/Dockerfile b/Dockerfile
index 14379b6..975aa84 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,12 +13,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this software.  If not, see <http://www.gnu.org/licenses/>.
 
-FROM docker.io/opendevorg/python-builder:3.10-bullseye as builder
+FROM docker.io/opendevorg/python-builder:3.11-bookworm as builder
 
 COPY . /tmp/src
 RUN assemble
 
-FROM docker.io/opendevorg/python-base:3.10-bullseye as gerritbot
+FROM docker.io/opendevorg/python-base:3.11-bookworm as gerritbot
 
 COPY --from=builder /output/ /output
 RUN /output/install-from-bindep
diff --git a/setup.cfg b/setup.cfg
index 2921ec7..9f62757 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,8 +13,7 @@ classifier =
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
 
 [entry_points]
 console_scripts =
diff --git a/tox.ini b/tox.ini
index 1788539..2deb3ec 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py310,py38,pep8
+envlist = py311,pep8
 
 [testenv]
 usedevelop = True