diff --git a/.github/workflows/linting_and_unittests.yml b/.github/workflows/linting_and_unittests.yml
index c49eee7..0cf0e14 100644
--- a/.github/workflows/linting_and_unittests.yml
+++ b/.github/workflows/linting_and_unittests.yml
@@ -12,14 +12,13 @@ jobs:
   build:
     strategy:
       matrix:
-        # macos-latest currently has issues (https://github.com/actions/setup-python/issues/855)
-        os: [ubuntu-latest, windows-latest, macos-13]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ['3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
diff --git a/docs/source/install.rst b/docs/source/install.rst
index 7b6c8ba..26d1af5 100644
--- a/docs/source/install.rst
+++ b/docs/source/install.rst
@@ -5,7 +5,7 @@ Installation
 Requirements
 ------------
 
-Bibtexparsers only requirement is a python interpreter which is not yet EOL (currently >= 3.7).
+Bibtexparser's only requirement is a python interpreter which is not yet EOL (currently >= 3.9).
 
 As of version 2.0.0, bibtexparser is a pure-python project (no direct bindings to C libraries).
 As such, it should be rather easy to install on any platform.
diff --git a/setup.py b/setup.py
index 343fd13..3677ebd 100644
--- a/setup.py
+++ b/setup.py
@@ -29,10 +29,15 @@ def load_readme():
     description="Bibtex parser for python 3",
     long_description_content_type="text/markdown",
     long_description=load_readme(),
+    python_requires=">=3.9",
     packages=setuptools.find_packages(include=["bibtexparser", "bibtexparser.*"]),
     classifiers=[
         "Development Status :: 4 - Beta",
         "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Scientific/Engineering :: Artificial Intelligence",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",