diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index df39c8b..2f7a1fc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -7,16 +7,16 @@ default_stages:
 minimum_pre_commit_version: 2.16.0
 repos:
   - repo: https://github.com/biomejs/pre-commit
-    rev: v2.5.12
+    rev: v2.5.13
     hooks:
       - id: biome-format
         exclude: ^\.cruft\.json$ # inconsistent indentation with cruft - file never to be modified manually.
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.29.3
+    rev: v2.29.4
     hooks:
       - id: pyproject-fmt
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.16.6
+    rev: v0.16.7
     hooks:
       - id: ruff-check
         types_or: [python, pyi, jupyter]
diff --git a/pyproject.toml b/pyproject.toml
index 3da0ae9..492fe01 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,6 +20,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
 ]
 dependencies = [
   "matplotlib",