diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8128ce8..b0f026b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,7 +23,8 @@ jobs:
         - ["3.12",  "py312"]
         - ["3.13",  "py313"]
         - ["3.14",  "py314"]
-        - ["3.14",  "linkcheck"]
+        - ["3.15",  "py315"]
+        - ["3.15",  "linkcheck"]
 
     runs-on: ${{ matrix.os[1] }}
     name: ${{ matrix.config[1] }}
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 2fa10be..b2ed2a6 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,7 +7,7 @@ version: 2
 
 # Set the OS, Python version and other tools you might need
 build:
-  os: ubuntu-22.04
+  os: ubuntu-24.04
   tools:
     python: "3.14"
 # Build documentation in the "docs/" directory with Sphinx
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 101fd76..9f608f5 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -13,6 +13,8 @@ Breaking changes
 Major changes
 .............
 
+-   Added support for Python 3.15. [:pull:`146`]
+
 
 Minor changes
 .............
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 078e1de..77a4e0c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -87,14 +87,14 @@ To build the documentation and run tests across all supported Python versions, u
 tox r
 ```
 
-To run tests for a specific Python version, use the following command, replacing `py314` with the desired version number.
+To run tests for a specific Python version, use the following command, replacing `py315` with the desired version number.
 
 ```shell
-tox r -e py314
+tox r -e py315
 ```
 
 > [!NOTE]  
-> `py314` is the only tox environment that also runs the link checker.
+> `py315` is the only tox environment that also runs the link checker.
 
 
 ## Pull request requirements
diff --git a/pyproject.toml b/pyproject.toml
index a7a7cf5..386f675 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,6 +37,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Topic :: Documentation",
     "Topic :: Utilities",
 ]
diff --git a/tox.ini b/tox.ini
index 09d7be2..95589f2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,7 @@ envlist =
     py312
     py313
     py314
+    py315
     linkcheck
 
 [testenv]
@@ -21,7 +22,7 @@ commands =
 
 [testenv:linkcheck]
 description = linkcheck
-base_python = py314
+base_python = py315
 commands =
     # check links
     sphinx-build -W -b linkcheck -d {envtmpdir}/doctrees docs {envtmpdir}/linkcheck