Require python3.9+

README.md

@@ -53,10 +53,10 @@ ________
 ## Requirements
 The prebuilt applications for Mac and Windows have no external dependencies.
 
-Running CardStock from source requires Python 3.7 or newer (3.11 recommended), and wxPython 4.1 or newer (wxPython 4.2.x recommended).
+Running CardStock from source requires Python 3.9 or newer (3.11 recommended), and wxPython 4.1 or newer (wxPython 4.2.x recommended).
 CardStock requires installing the python modules attrdict3(linux-only), wxpython, simpleaudio, PyInstaller, and requests.  
 For mp3 playback support, you'll need to install the lame package (mp3 decoder), and python's streamp3. 
-Note that Python 3.12 is currently incompatible with wxpython, and so will not run CardStock until
+Note that Python 3.12 is currently incompatible with released versions of wxpython, and so will not run CardStock until
 wxPython receives an update.
 
 ## Installation

setup.cfg

@@ -8,7 +8,7 @@ long_description = file: README.md
 long_description_content_type = text/markdown
 url = https://github.com/benjie-git/CardStock/wiki
 classifiers =
-    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.9
     License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)
     Operating System :: OS Independent
 
@@ -23,7 +23,7 @@ install_requires =
     requests
     simpleaudio
 
-python_requires = >=3.7,<3.12
+python_requires = >=3.9,<3.12
 
 [options.extras_require]
 mp3 =