diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index fab91b5..26eed69 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -16,6 +16,7 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9"]
         sphinx-version: [
+          "7.0.*",
           "6.0.*",
           "5.0.*",
           "4.5", "4.4", "4.3", "4.2", "4.1", "4.0.*",
@@ -30,6 +31,10 @@ jobs:
             sphinx-version: ""
           - python-version: "3.10"
             sphinx-version: "4.5"
+          - python-version: "3.11"
+            sphinx-version: ""
+          - python-version: "3.11"
+            sphinx-version: "4.5"
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 4d19e84..a373018 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -8,3 +8,4 @@ python:
   install:
     - method: pip
       path: .
+    - requirements: docs/requirements.txt
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..48d3b83
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1 @@
+Sphinx<7
diff --git a/pyproject.toml b/pyproject.toml
index 816ad67..80168e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,12 +25,13 @@ classifiers = [
     'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
     'Operating System :: OS Independent',
 ]
 
 requires-python = '>= 3.7'
 dependencies = [
-    'Sphinx >= 2.2, < 7.0',
+    'Sphinx >= 2.2, < 8.0',
 ]
 
 [tool.setuptools]