min requirements are now python 3.12

.github/workflows/pypi.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - name: Checkout Repository 🛎️
         uses: actions/checkout@v3
-      - name: Install Python 3.9 🐍
+      - name: Install Python 3.12 🐍
         uses: actions/setup-python@v4
         with:
           python-version: "3.12"

docs/installation.md

@@ -4,7 +4,7 @@
 
 We strongly suggest to install PhenEx in an isolated python virtual environment using your favorite package
 manager, such as [condas](https://conda.io/projects/conda/en/latest/user-guide/install/index.html) or
-[pyenv](https://github.com/pyenv/pyenv). PhenEx requires Python 3.9 or above. After setting up and activating
+[pyenv](https://github.com/pyenv/pyenv). PhenEx requires Python 3.12 or above. After setting up and activating
 your virtual environment, move on to the next step.
 
 ## Pip installation

setup.py

@@ -26,6 +26,6 @@ def parse_requirements(filename):
         "License :: OSI Approved :: BSD License",
         "Operating System :: OS Independent",
     ],
-    python_requires=">=3.9",
+    python_requires=">=3.12",
     install_requires=parse_requirements("requirements.txt"),
 )