diff --git a/.appveyor.yml b/.appveyor.yml
index 1af811d..dc88dba 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,17 +2,19 @@ image: Ubuntu
 
 environment:
   matrix:
-    - PY: '3.8'
-      TOXENV: py
     - PY: '3.9'
       TOXENV: py
     - PY: '3.10'
       TOXENV: py
     - PY: '3.11'
       TOXENV: py
-    - PY: '3.8'
+    - PY: '3.12'
+      TOXENV: py
+    - PY: '3.13'
+      TOXENV: py
+    - PY: '3.10'
       TOXENV: lint
-    - PY: '3.8'
+    - PY: '3.10'
       TOXENV: typing
 
 build: off
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 036e4ec..17e3c54 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -21,7 +21,7 @@ workflows:
       - test:
           matrix:
             parameters:
-              python-version: ["3.8", "3.9", "3.10", "3.11"]
+              python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
       - lint
       - typing
 
@@ -43,7 +43,7 @@ jobs:
 
   lint:
     docker:
-      - image: cimg/python:3.8
+      - image: cimg/python:3.10
     steps:
       - checkout
       - install-deps
@@ -53,7 +53,7 @@ jobs:
 
   typing:
     docker:
-      - image: cimg/python:3.8
+      - image: cimg/python:3.10
     steps:
       - checkout
       - install-deps
diff --git a/.github/workflows/inception-test.yml b/.github/workflows/inception-test.yml
index df68aa7..0d86bda 100644
--- a/.github/workflows/inception-test.yml
+++ b/.github/workflows/inception-test.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: '3.10'
 
       - name: Install tinuous and coverage
         run: |
@@ -39,8 +39,7 @@ jobs:
       - name: Install datalad and git-annex
         if: matrix.extra == 'datalad'
         run: |
-          python -m pip install datalad datalad-installer
-          datalad-installer --sudo ok neurodebian git-annex -m neurodebian
+          python -m pip install git-annex datalad
 
       - name: Checkout con/tinuous-inception
         uses: actions/checkout@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6d55f1b..6904193 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '^3.8'
+          python-version: '^3.10'
 
       - name: Install Python dependencies
         run: python -m pip install build twine
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6607bd8..f8467dd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,19 +17,19 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - '3.8'
           - '3.9'
           - '3.10'
           - '3.11'
           - '3.12'
-          - 'pypy-3.8'
+          - '3.13'
           - 'pypy-3.9'
           - 'pypy-3.10'
+          - 'pypy-3.11'
         toxenv: [py]
         include:
-          - python-version: '3.8'
+          - python-version: '3.10'
             toxenv: lint
-          - python-version: '3.8'
+          - python-version: '3.10'
             toxenv: typing
     steps:
       - name: Check out repository
diff --git a/.travis.yml b/.travis.yml
index b84a423..5f25b16 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,17 +2,18 @@ language: python
 cache: pip
 dist: focal
 python:
-  - '3.8'
   - '3.9'
   - '3.10'
   - '3.11'
+  - '3.12'
+  - '3.13'
 env:
   - TOXENV=py
 jobs:
   include:
-    - python: '3.8'
+    - python: '3.10'
       env: TOXENV=lint
-    - python: '3.8'
+    - python: '3.10'
       env: TOXENV=typing
 install:
   - pip install tox
diff --git a/README.rst b/README.rst
index c9b7698..21d2af2 100644
--- a/README.rst
+++ b/README.rst
@@ -40,7 +40,7 @@ See <https://github.com/con/tinuous-inception> for an example setup that uses
 
 Installation
 ============
-``tinuous`` requires Python 3.8 or higher.  Just use `pip
+``tinuous`` requires Python 3.9 or higher.  Just use `pip
 <https://pip.pypa.io>`_ for Python 3 (You have pip, right?) to install
 ``tinuous`` and its dependencies::
 
diff --git a/setup.cfg b/setup.cfg
index 974414d..4725009 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,11 +22,11 @@ classifiers =
     #Development Status :: 5 - Production/Stable
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     License :: OSI Approved :: MIT License
@@ -41,7 +41,7 @@ project_urls =
 packages = find:
 package_dir =
     =src
-python_requires = >=3.8
+python_requires = >=3.9
 install_requires =
     click >= 7.0
     click-loglevel ~= 0.2
@@ -52,7 +52,6 @@ install_requires =
     python-dotenv >= 0.11, < 2.0
     PyYAML >= 5.0
     requests ~= 2.20
-    typing_extensions; python_version < '3.9'
 
 [options.extras_require]
 all =