diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 99d6e9e..5be9649 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/README.md b/README.md
index a15053e..ae8f757 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # ModelFuzz
 
 [![CI](https://img.shields.io/github/actions/workflow/status/higagan/modelfuzz/ci.yml?branch=main&label=CI)](https://github.com/higagan/modelfuzz/actions)
+[![PyPI](https://img.shields.io/pypi/v/modelfuzz)](https://pypi.org/project/modelfuzz/)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Python 3.10+](https://img.shields.io/badge/python-3.10+-blue.svg)](https://www.python.org/downloads/)
 [![Code Style: Ruff](https://img.shields.io/badge/code%20style-ruff-261230.svg)](https://github.com/astral-sh/ruff)
diff --git a/pyproject.toml b/pyproject.toml
index e92aa52..67b807a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,8 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Security",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]