diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f65f215a..ca84454b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -44,10 +44,10 @@ jobs:
         tox-env: ["black", "lint", "docs"]
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Python 3.10
+      - name: Set up Python 3.12
         uses: actions/setup-python@v2
         with:
-          python-version: "3.10"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index fa503604..58c87944 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,9 +1,9 @@
 version: 2
 
 build:
-  os: "ubuntu-22.04"
+  os: "ubuntu-24.04"
   tools:
-    python: "3.10"
+    python: "3.12"
 
 sphinx:
   configuration: docs/conf.py
diff --git a/requirements/requirements-codestyle.txt b/requirements/requirements-codestyle.txt
index dd1fa838..ba1854f6 100644
--- a/requirements/requirements-codestyle.txt
+++ b/requirements/requirements-codestyle.txt
@@ -2,4 +2,4 @@ black==26.3.1
 flake8==7.3.0
 flake8-bugbear==25.11.29
 flake8-isort==7.0.0
-isort==7.0.0
+isort==8.0.1
diff --git a/requirements/requirements-documentation.txt b/requirements/requirements-documentation.txt
index 76f3bf9a..1fbe8140 100644
--- a/requirements/requirements-documentation.txt
+++ b/requirements/requirements-documentation.txt
@@ -1,3 +1,3 @@
 recommonmark==0.7.1
-Sphinx==8.1.3
-sphinx_rtd_theme==3.0.2
+Sphinx==9.1.0
+sphinx_rtd_theme==3.1.0
diff --git a/requirements/requirements-optionals.txt b/requirements/requirements-optionals.txt
index 772cceda..69ebf962 100644
--- a/requirements/requirements-optionals.txt
+++ b/requirements/requirements-optionals.txt
@@ -1,2 +1,2 @@
 django-filter==25.1
-django-polymorphic==4.10.5
+django-polymorphic==4.11.2
diff --git a/requirements/requirements-testing.txt b/requirements/requirements-testing.txt
index d5ad8d44..4f85f52b 100644
--- a/requirements/requirements-testing.txt
+++ b/requirements/requirements-testing.txt
@@ -1,7 +1,7 @@
 factory-boy==3.3.3
-Faker==40.1.2
+Faker==40.12.0
 pytest==9.0.2
-pytest-cov==7.0.0
-pytest-django==4.11.1
+pytest-cov==7.1.0
+pytest-django==4.12.0
 pytest-factoryboy==2.8.1
 syrupy==5.1.0
diff --git a/tox.ini b/tox.ini
index 1ebb99ad..e4099400 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,13 +28,13 @@ commands =
     pytest --cov --no-cov-on-fail --cov-report xml {posargs}
 
 [testenv:black]
-basepython = python3.10
+basepython = python3.12
 deps =
     -rrequirements/requirements-codestyle.txt
 commands = black --check .
 
 [testenv:lint]
-basepython = python3.10
+basepython = python3.12
 deps =
     -rrequirements/requirements-codestyle.txt
     -rrequirements/requirements-testing.txt
@@ -43,7 +43,7 @@ commands = flake8
 
 [testenv:docs]
 # keep in sync with .readthedocs.yml
-basepython = python3.10
+basepython = python3.12
 deps =
     -rrequirements/requirements-optionals.txt
     -rrequirements/requirements-documentation.txt