diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 88ca5c0..68338b4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,19 +27,18 @@ jobs:
       max-parallel: 12
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-13, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ['3.11', '3.12', '3.13', '3.14']
 
     steps:
     - uses: actions/checkout@v4
     - name: Setup Miniconda
-      uses: conda-incubator/setup-miniconda@v3
+      uses: mamba-org/setup-micromamba@v1
       with:
-         auto-update-conda: true
-         use-mamba: true
-         python-version: ${{ matrix.python-version }}
          environment-file: environment.yaml
-         activate-environment: pytng
+         environment-name: pytng
+         create-args: >-
+           python=${{ matrix.python-version }}
     - name: Install Pytng
       run: |
         python -m pip install .
@@ -57,8 +56,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-13, windows-latest]
-        python: ["3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index a10db44..99e45ff 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -29,16 +29,17 @@ jobs:
       matrix:
         buildplat:
           - [ubuntu-22.04, manylinux_x86_64, x86_64]
-          - [macos-11, macosx_*, x86_64]
-          - [windows-2019, win_amd64, AMD64]
-        python: ["cp39", "cp310", "cp311", "cp312"]
+          - [macos-13, macosx_*, x86_64]
+          - [windows-2022, win_amd64, AMD64]
+          - [macos-14, macos_*, arm64]
+        python: ["cp311", "cp312", "cp313", "cp314"]
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.19.1
+        uses: pypa/cibuildwheel@v3.2.1
         env:
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
           CIBW_ARCHS: ${{ matrix.buildplat[2] }}
@@ -94,7 +95,7 @@ jobs:
           path: dist
 
       - name: upload_source_and_wheels
-        uses: pypa/gh-action-pypi-publish@v1.8.10
+        uses: pypa/gh-action-pypi-publish@v1.13.0
         with:
           skip_existing: true
           repository_url: https://test.pypi.org/legacy/
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 7c40ab6..0522e67 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
-          python-version: 3.9
+          python-version: 3.11
 
       - name: Install dependencies
         run: |
diff --git a/environment.yaml b/environment.yaml
index 51ea60a..65e5631 100644
--- a/environment.yaml
+++ b/environment.yaml
@@ -11,6 +11,6 @@ dependencies:
   - pytest-cov
   - pip
   # docs
-  - mdanalysis-sphinx-theme >=1.0.1
   - pip:
-      - sphinx-sitemap
+    - sphinx-sitemap
+    - mdanalysis-sphinx-theme
diff --git a/pyproject.toml b/pyproject.toml
index 9916bf3..f56cd9c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 # Minimum requirements for the build system to execute
 requires = [
-    "cython>=0.28,<3.0",
+    "cython",
     "setuptools>=61.2",
     "versioningit",
     "wheel",
@@ -27,10 +27,10 @@ classifiers = [
     'Operating System :: MacOS :: MacOS X',
     'Operating System :: Microsoft :: Windows',
     'Programming Language :: Python',
-    '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 :: 3.14',
     'Programming Language :: C',
     'Topic :: Scientific/Engineering',
     'Topic :: Scientific/Engineering :: Bio-Informatics',
@@ -38,7 +38,7 @@ classifiers = [
     'Topic :: Software Development :: Libraries :: Python Modules',
 ]
 urls = {Homepage = "http://mdanalysis.org/pytng"}
-requires-python = ">= 3.9"
+requires-python = ">= 3.10"
 dependencies = [
     "numpy>1.22.3",
 ]
@@ -51,7 +51,7 @@ test = [
     "pytest-cov",
 ]
 docs = [
-    "mdanalysis-sphinx-theme>=1.0.1",
+    "mdanalysis-sphinx-theme",
     "sphinx-sitemap",
 ]