diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index ea4fe93..c21ed00 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -10,7 +10,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.8'
           - '3.9'
           - '3.10'
           - '3.11'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index da0db80..551f8f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## Unreleased
+
+* [Enhancement] Drop support for Python 3.8; update the Ubuntu base image to
+  "Ubuntu Jammy" (22.04).
+
+When updating your plugin to this version, you'll need to rebuild the image.
+
 ## Version 2.5.0 (2024-08-01)
 
 * [Enhancement] Support Tutor 18 and Open edX Redwood.
diff --git a/README.md b/README.md
index 77d050c..095c4b7 100644
--- a/README.md
+++ b/README.md
@@ -22,10 +22,10 @@ appropriate one:
 | Lilac            | `>=12.0, <13`     | Not supported | Not supported  |
 | Maple            | `>=13.2, <14`[^1] | `maple`       | 0.1.x          |
 | Nutmeg           | `>=14.0, <15`     | `nutmeg`      | 1.x.x          |
-| Olive            | `>=15.0, <16`     | `main`        | 2.x.x          |
-| Palm             | `>=16.0, <17`     | `main`        | 2.x.x          |
-| Quince           | `>=17.0, <18`     | `main`        | 2.x.x          |
-| Redwood          | `>=18.0, <19`     | `main`        | 2.x.x          |
+| Olive            | `>=15.0, <16`     | `quince`      | `>=2.0.0, <3`  |
+| Palm             | `>=16.0, <17`     | `quince`      | `>=2.2.0, <3`  |
+| Quince           | `>=17.0, <18`     | `quince`      | `>=2.3.0, <3`  |
+| Redwood          | `>=18.0, <19`     | `main`        | `>=2.5.0`      |
 
 [^1]: For Open edX Maple and Tutor 13, you must run version 13.2.0 or
    later. That is because this plugin uses the Tutor v1 plugin API,
diff --git a/setup.py b/setup.py
index b404e6e..f1b2fbd 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def load_readme():
     long_description_content_type='text/markdown',
     packages=find_packages(exclude=["tests*"]),
     include_package_data=True,
-    python_requires=">=3.6",
+    python_requires=">=3.9",
     install_requires=["tutor <19, >=15.0.0"],
     setup_requires=["setuptools-scm"],
     entry_points={
@@ -38,7 +38,6 @@ def load_readme():
         "License :: OSI Approved :: GNU Affero General Public License v3",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
diff --git a/tox.ini b/tox.ini
index b293261..ce9d07f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,8 @@
 [tox]
-envlist = gitlint,py{38,39,310,311,312},flake8
+envlist = gitlint,py{39,310,311,312},flake8
 
 [gh-actions]
 python =
-    3.8: gitlint,py38,flake8
     3.9: gitlint,py39,flake8
     3.10: gitlint,py310,flake8
     3.11: gitlint,py311,flake8
diff --git a/tutorenrollmentreports/templates/enrollmentreports/build/enrollmentreports/Dockerfile b/tutorenrollmentreports/templates/enrollmentreports/build/enrollmentreports/Dockerfile
index 36502ff..e0e868e 100644
--- a/tutorenrollmentreports/templates/enrollmentreports/build/enrollmentreports/Dockerfile
+++ b/tutorenrollmentreports/templates/enrollmentreports/build/enrollmentreports/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 RUN mkdir -p /etc/ansible/roles/enrollmentreports /etc/ansible/group_vars
 RUN apt-get update && \
     apt install -y ansible git default-mysql-client rsync