diff --git a/ModuleUpdate.py b/ModuleUpdate.py
index db42f8e5ab..a8bf3993b3 100644
--- a/ModuleUpdate.py
+++ b/ModuleUpdate.py
@@ -5,15 +5,16 @@ import multiprocessing
 import warnings
 
 
-if sys.platform in ("win32", "darwin") and sys.version_info < (3, 11, 9):
+if sys.platform in ("win32", "darwin") and not (3, 11, 9) <= sys.version_info < (3, 14, 0):
     # Official micro version updates. This should match the number in docs/running from source.md.
-    raise RuntimeError(f"Incompatible Python Version found: {sys.version_info}. Official 3.11.9+ is supported.")
+    raise RuntimeError(f"Incompatible Python Version found: {sys.version_info}. "
+                       "Official 3.11.9 through 3.13.x is supported.")
 elif sys.platform in ("win32", "darwin") and sys.version_info < (3, 11, 13):
     # There are known security issues, but no easy way to install fixed versions on Windows for testing.
     warnings.warn(f"Python Version {sys.version_info} has security issues. Don't use in production.")
-elif sys.version_info < (3, 11, 0):
+elif not (3, 11, 0) <= sys.version_info < (3, 14, 0):
     # Other platforms may get security backports instead of micro updates, so the number is unreliable.
-    raise RuntimeError(f"Incompatible Python Version found: {sys.version_info}. 3.11.0+ is supported.")
+    raise RuntimeError(f"Incompatible Python Version found: {sys.version_info}. 3.11.0 through 3.13.x is supported.")
 
 # don't run update if environment is frozen/compiled or if not the parent process (skip in subprocess)
 _skip_update = bool(