diff --git a/Mac/_checkversion.py b/Mac/_checkversion.py
new file mode 100644
index 0000000..3d1f59a
--- /dev/null
+++ b/Mac/_checkversion.py
@@ -0,0 +1,16 @@
+"""This file (which is sourced, not imported) checks the version of the
+"versioncheck" package. It is also an example of how to format your own
+_checkversion.py file"""
+
+import pyversioncheck
+
+_PACKAGE="MacPython"
+_VERSION="1.5b3"
+_URL="http://www.cwi.nl/~jack/macpythonversion.txt"
+
+try:
+	_myverbose=VERBOSE
+except NameError:
+	_myverbose=1
+	
+pyversioncheck.versioncheck(_PACKAGE, _URL, _VERSION, verbose=_myverbose)