diff --git a/poetry.lock b/poetry.lock
index de42c804..8f946c0f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.2.0 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -1804,4 +1804,4 @@ docs = ["sphinx", "sphinx-rtd-theme"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.9.2,<4.0"
-content-hash = "db6aadf35a6005727aaabc412a32c8b46eaeca55c68ad10345f28af163de98e3"
+content-hash = "47c9c3f4fe9fb0380642073d66aaef5035a793078c481c03d23fcdb4b8e7e728"
diff --git a/pyproject.toml b/pyproject.toml
index ed939642..1708b352 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,34 +1,41 @@
 # PEP-517 build
 
 [build-system]
-requires = ["poetry_core>=1.0.8"]
+requires = ["poetry_core>=2.2.0"]
 build-backend = "poetry.core.masonry.api"
 
-# Poetry tooling configuration
-
-[tool.poetry]
+[project]
 name = "josepy"
 version = "2.2.0.dev0"
+license = "Apache-2.0"
+license-files = ["LICENSE.txt"]
 description = "JOSE protocol implementation in Python"
-license = "Apache License 2.0"
+readme = "README.rst"
+authors = [{ name = "Certbot Project", email = "certbot-dev@eff.org" }]
+# python 3.9.2 is used as a lower bound here because newer versions of
+# cryptography dropped support for python 3.9.0 and 3.9.1. see
+# https://github.com/pyca/cryptography/pull/12045. when we drop support for
+# python 3.9 altogether, this line can be changed to the simpler 'python = "^3.10"'.
+# This should be kept in sync with the value of tool.poetry.dependencies.python below.
+requires-python = ">=3.9.2"
+dynamic = ["classifiers", "dependencies"]
+
+[project.urls]
+Homepage = "https://github.com/certbot/josepy"
+
+# Poetry tooling configuration
+[tool.poetry]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
+    # Version specific classifiers are added automatically based on requires-python.
+    # Except for 3.9 since the lower bound is 3.9.2 currently.
     "Programming Language :: Python :: 3.9",
-    "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 :: Internet :: WWW/HTTP",
     "Topic :: Security",
 ]
-homepage = "https://github.com/certbot/josepy"
-authors = ["Certbot Project <certbot-dev@eff.org>"]
-readme = "README.rst"
 include = [
     "CHANGELOG.rst",
     "CONTRIBUTING.md",
@@ -36,13 +43,7 @@ include = [
 ]
 
 [tool.poetry.dependencies]
-# This should be kept in sync with the value of target-version in our
-# configuration for black below.
-#
-# python 3.9.2 is used as a lower bound here because newer versions of
-# cryptography dropped support for python 3.9.0 and 3.9.1. see
-# https://github.com/pyca/cryptography/pull/12045. when we drop support for
-# python 3.9 altogether, this line can be changed to the simpler 'python = "^3.10"'.
+# This should be kept in sync with the value of project.requires-python above.
 python = ">=3.9.2,<4.0"
 # load_pem_private/public_key (>=0.6)
 # rsa_recover_prime_factors (>=0.8)
@@ -78,10 +79,6 @@ jws = "josepy.jws:CLI.run"
 # Black tooling configuration
 [tool.black]
 line-length = 100
-# This should be kept in sync with the version of Python specified in poetry's
-# dependencies above.
-# TODO add 'py314' once black supports it, see #232 for details
-target-version = ['py39', 'py310', 'py311', 'py312', 'py313']
 
 # Mypy tooling configuration