diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6e728e7..f863366f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
         fail-fast: false
         matrix:
             os: [macos-latest, ubuntu-latest, windows-latest]
-            python-version: ["3.11", "3.12", "3.13", "3.14"]
+            python-version: ["3.11", "3.12", "3.13", "3.14", "3.15"]
 
     env:
       MPLBACKEND: Agg  # non-interactive backend for matplotlib
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b8f3f413..dd64da99 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,7 +22,7 @@ repos:
       - id: rst-inline-touching-normal
 
   - repo: https://github.com/codespell-project/codespell
-    rev: v2.4.2
+    rev: v2.4.3
     hooks:
       - id: codespell
         additional_dependencies:
@@ -30,7 +30,7 @@ repos:
         exclude: (\.(svg|png|pdf)$)|(CODE_OF_CONDUCT.md)
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.20
+    rev: v0.16.10
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix, --show-fixes]
@@ -49,7 +49,7 @@ repos:
         files: tests/.*
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.25.1
+    rev: v2.30.0
     hooks:
       - id: pyproject-fmt
         args: [--keep-full-version, --no-print-diff]
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index f292f615..ace73014 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -7,6 +7,7 @@ Unreleased
 Dependency Updates
 ^^^^^^^^^^^^^^^^^^
 * Drop support for Python 3.10
+* Add support for Python 3.15
 * Raise ``numpy`` lower bound to 1.23.2
 
 0.4.0 (September 27, 2026)
diff --git a/pyproject.toml b/pyproject.toml
index 2cc7d10d..fb056749 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,10 +26,12 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Topic :: Scientific/Engineering :: Artificial Intelligence",
   "Topic :: Scientific/Engineering :: Visualization",
 ]
-dependencies = [  # uv pip compile pyproject.toml --resolution=lowest-direct --group dev
+dependencies = [
+  # uv pip compile pyproject.toml --resolution=lowest-direct --group dev
   "matplotlib>=3.10.0",
   "numpy>=1.23.2",
   "pandas>=2.1.0",
@@ -152,12 +154,14 @@ checks = [
   "SA01", # or a see also section
   "SS06", # and don't require the summary to fit on one line
 ]
-exclude = [  # don't report on checks for these
+exclude = [
+  # don't report on checks for these
   "\\.__init__$",
   "\\.__iter__$",
   "\\.__repr__$",
   "\\.__str__$",
 ]
-override_SS05 = [  # allow docstrings to start with these words
+override_SS05 = [
+  # allow docstrings to start with these words
   "^Unambiguous ",
 ]