diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index b23ae23..fcc5ff7 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -18,8 +18,8 @@ permissions:
 
 jobs:
   tests:
-    name: "macos-${{ matrix.config.macos-version }} / Python ${{ matrix.config.python-version }}"
-    runs-on: "macos-${{ matrix.config.macos-version }}"
+    name: "macos-${{ matrix.config.os-ver }} / Python ${{ matrix.config.python-version }}"
+    runs-on: "macos-${{ matrix.config.os-ver }}"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
       USING_COVERAGE: '3.7,3.8,3.9,3.10,3.11,3.12,3.13,pypy-3.7,pypy-3.8,pypy-3.9'
@@ -28,16 +28,16 @@ jobs:
       fail-fast: False
       matrix:
         config:
-          - {python-version: "3.7", macos-version: 13, testenvs: "py37-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3},build", experimental: False}
-          - {python-version: "3.8", macos-version: 14, testenvs: "py38-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1},build", experimental: False}
-          - {python-version: "3.9", macos-version: 14, testenvs: "py39-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4},build", experimental: False}
-          - {python-version: "3.10", macos-version: 14, testenvs: "py310-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1},build", experimental: False}
-          - {python-version: "3.11", macos-version: 14, testenvs: "py311-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1,8.2},build", experimental: False}
-          - {python-version: "3.12", macos-version: 14, testenvs: "py312-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1,8.2},build", experimental: False}
-          - {python-version: "3.13", macos-version: 14, testenvs: "py313-sphinx{6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1,8.2},build", experimental: False}
-          - {python-version: "pypy-3.7", macos-version: 13, testenvs: "pypy37-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3},build", experimental: False}
-          - {python-version: "pypy-3.8", macos-version: 14, testenvs: "pypy38-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1},build", experimental: False}
-          - {python-version: "pypy-3.9", macos-version: 14, testenvs: "pypy39-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4},build", experimental: True}
+          - {python-version: "3.7", os-ver: "13", testenvs: "py37-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3},build", experimental: False}
+          - {python-version: "3.8", os-ver: "14", testenvs: "py38-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1},build", experimental: False}
+          - {python-version: "3.9", os-ver: "14", testenvs: "py39-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4},build", experimental: False}
+          - {python-version: "3.10", os-ver: "14", testenvs: "py310-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1},build", experimental: False}
+          - {python-version: "3.11", os-ver: "14", testenvs: "py311-sphinx{3.4,3.5,4.0,4.1,4.2,4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1,8.2},build", experimental: False}
+          - {python-version: "3.12", os-ver: "14", testenvs: "py312-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1,8.2},build", experimental: False}
+          - {python-version: "3.13", os-ver: "14", testenvs: "py313-sphinx{6.2,7.0,7.1,7.2,7.3,7.4,8.0,8.1,8.2},build", experimental: False}
+          - {python-version: "pypy-3.7", os-ver: "13", testenvs: "pypy37-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3},build", experimental: False}
+          - {python-version: "pypy-3.8", os-ver: "14", testenvs: "pypy38-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1},build", experimental: False}
+          - {python-version: "pypy-3.9", os-ver: "14", testenvs: "pypy39-sphinx{4.3,4.4,4.5,5.0,5.1,5.2,5.3,6.0,6.1,6.2,7.0,7.1,7.2,7.3,7.4},build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 35b5c85..e73aa4a 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -13,7 +13,7 @@ python:
    - requirements: requirements.txt
    - requirements: doc-source/requirements.txt
 build:
-  os: ubuntu-20.04
+  os: ubuntu-22.04
   tools:
     python: '3.9'
   jobs: