diff --git a/doc/conf.py b/doc/conf.py
index fbffe2e4e..c2668abb5 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -9,6 +9,7 @@
 import re
 import runpy
 import sys
+import tomllib
 
 from docutils import nodes
 from sphinx.domains.python import PythonDomain
@@ -225,6 +226,14 @@ def run_util(filename, run_name="__main__", init_globals=None):
 # The full version, including alpha/beta/rc tags.
 release = VERSION
 
+
+# Read synced info from pyproject.toml
+with open("../pyproject.toml", "rb") as pyproject_file:
+    pyproject_toml = tomllib.load(pyproject_file)
+
+min_py_version = pyproject_toml['project']['requires-python'].strip(">=")
+
+
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
@@ -236,10 +245,11 @@ def run_util(filename, run_name="__main__", init_globals=None):
 # directories to ignore when looking for source files.
 exclude_patterns = [
     "_includes/*",
-    "substitutions.rst",
+    "substitutions.rst", # built out below
     "_archive/*",
 ]
 
+
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = "default"  # will use "sphinx" or the theme's default
 
@@ -354,6 +364,7 @@ def run_util(filename, run_name="__main__", init_globals=None):
     "typing_extensions": ("https://typing-extensions.readthedocs.io/en/latest/", None),
 }
 
+
 # These will be joined as one block and prepended to every source file.
 # Substitutions for |version| and |release| are predefined by Sphinx.
 PROLOG_PARTS = [
@@ -366,11 +377,21 @@ def run_util(filename, run_name="__main__", init_globals=None):
         '      <img src="/_static/copy-button.svg"/>\n\n'
         "   </div>\n\n"
     ),
+    f".. |min_py_version| replace:: {min_py_version}\n"
+    f".. |min_py_fullname| replace:: Python {min_py_version}\n"
+    f".. |min_py_fullname_plus| replace:: Python {min_py_version}+"
 ]
+
+
 with open("_includes/links.rst") as f:
     PROLOG_PARTS.extend(f.readlines())
 
-rst_prolog = "\n".join(PROLOG_PARTS)
+# IMPORTANT: make sure to trim white space or substitutions may cease to exist
+rst_prolog = ("\n".join(PROLOG_PARTS)).strip()
+print(
+    "=== rst_prolog: substitutions.rst (if present) + _rst_prolog_parts joined together ===",
+    rst_prolog, sep="\n", end="\n\n")
+
 
 
 def strip_init_return_typehint(app, what, name, obj, options, signature, return_annotation):
diff --git a/doc/get_started/install.rst b/doc/get_started/install.rst
index 981314db0..231993b5f 100644
--- a/doc/get_started/install.rst
+++ b/doc/get_started/install.rst
@@ -19,7 +19,7 @@ Requirements
 ------------
 Arcade requires a desktop, laptop, or compatible Single-Board Computer (SBC) with:
 
-#. Python 3.10 or higher
+#. |min_py_fullname| or higher
 #. Graphics drivers with support for either:
     * OpenGL 3.3+
     * GLES 3.1+ with extensions on SBCs
@@ -30,7 +30,7 @@ unsupported.
 Windows, Linux, and Intel Mac
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Your computer can likely run Arcade if it supports Python 3.10 or higher.
+Your computer can likely run Arcade if it supports |min_py_fullname| or higher.
 
 In general, even older convertible Windows tablets will work as long as they:
 
diff --git a/doc/programming_guide/gles_raspi_and_sbc.rst b/doc/programming_guide/gles_raspi_and_sbc.rst
index 1ab0962d7..94a24ae5e 100644
--- a/doc/programming_guide/gles_raspi_and_sbc.rst
+++ b/doc/programming_guide/gles_raspi_and_sbc.rst
@@ -114,7 +114,7 @@ requirements may work.
 
 Standard Python
 ^^^^^^^^^^^^^^^
-Arcade requires Python 3.10 or higher.
+Arcade requires |min_py_fullname| or higher.
 
 In practice, this means running Linux. In theory, it may be possible to run Arcade
 on an ARM-specific version of Windows, but nobody has tried this before.