diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bdbfbf4d..239175f2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,7 +3,7 @@ name: main
 on:
   push:
     branches:
-      - main
+      - "*"
     tags:
       - "*"
 
@@ -20,7 +20,7 @@ jobs:
       matrix:
         name: [
           "windows-py38",
-          "windows-py311",
+          "windows-py313",
           "windows-pypy3",
 
           "ubuntu-py38-pytestmain",
@@ -29,6 +29,7 @@ jobs:
           "ubuntu-py310",
           "ubuntu-py311",
           "ubuntu-py312",
+          "ubuntu-py313",
           "ubuntu-pypy3",
           "ubuntu-benchmark",
         ]
@@ -38,10 +39,10 @@ jobs:
             python: "3.8"
             os: windows-latest
             tox_env: "py38"
-          - name: "windows-py311"
-            python: "3.10"
+          - name: "windows-py313"
+            python: "3.13"
             os: windows-latest
-            tox_env: "py311"
+            tox_env: "py313"
           - name: "windows-pypy3"
             python: "pypy3.9"
             os: windows-latest
@@ -71,10 +72,15 @@ jobs:
             tox_env: "py311"
             use_coverage: true
           - name: "ubuntu-py312"
-            python: "3.12-dev"
+            python: "3.12"
             os: ubuntu-latest
             tox_env: "py312"
             use_coverage: true
+          - name: "ubuntu-py313"
+            python: "3.13"
+            os: ubuntu-latest
+            tox_env: "py313"
+            use_coverage: true
           - name: "ubuntu-pypy3"
             python: "pypy3.9"
             os: ubuntu-latest
@@ -94,6 +100,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
+        allow-prereleases: true
 
     - name: Install dependencies
       run: |
@@ -140,6 +147,6 @@ jobs:
         run: python -m build --sdist --wheel --outdir dist/
 
       - name: Publish package
-        uses: pypa/gh-action-pypi-publish@v1.10.2
+        uses: pypa/gh-action-pypi-publish@v1.8.14
         with:
           attestations: true
diff --git a/pyproject.toml b/pyproject.toml
index aebc25f2..eab66d9a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,27 @@ build-backend = "setuptools.build_meta"
 name = "pluggy"
 license = {text = "MIT"}
 authors = [{name = "Holger Krekel", email = "holger@merlinux.eu"}]
-classifiers = ["Development Status :: 6 - Mature", "Intended Audience :: Developers", "License :: OSI Approved :: MIT License", "Operating System :: POSIX", "Operating System :: Microsoft :: Windows", "Operating System :: MacOS :: MacOS X", "Topic :: Software Development :: Testing", "Topic :: Software Development :: Libraries", "Topic :: Utilities", "Programming Language :: Python :: Implementation :: CPython", "Programming Language :: Python :: Implementation :: PyPy", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3 :: Only", "Programming Language :: Python :: 3.8", "Programming Language :: Python :: 3.9", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11"]
+classifiers = [
+  "Development Status :: 6 - Mature",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: POSIX",
+  "Operating System :: Microsoft :: Windows",
+  "Operating System :: MacOS :: MacOS X",
+  "Topic :: Software Development :: Testing",
+  "Topic :: Software Development :: Libraries",
+  "Topic :: Utilities",
+  "Programming Language :: Python :: Implementation :: CPython",
+  "Programming Language :: Python :: Implementation :: PyPy",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.8",
+  "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",
+]
 description = "plugin and hook calling mechanisms for python"
 readme = {file = "README.rst", content-type = "text/x-rst"}
 requires-python = ">=3.8"
diff --git a/tox.ini b/tox.ini
index ee728003..f30f17b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=docs,py{38,39,310,311,py3},py{38}-pytest{main}
+envlist=docs,py{38,39,310,311,312,313,py3},py{38}-pytest{main}
 
 [testenv]
 commands=