--- openvdb/openvdb/python/CMakeLists.txt.orig	2021-02-05 14:21:38.000000000 -0500
+++ openvdb/openvdb/python/CMakeLists.txt	2021-12-05 13:11:13.000000000 -0500
@@ -104,6 +104,6 @@
 endif()
 
 # Make sure find_package(Python) is only ever invoked once with all required components
-find_package(Python COMPONENTS ${OPENVDB_PYTHON_REQUIRED_COMPONENTS})
+find_package(Python __MACPORTS_PYTHON_VERSION__ EXACT COMPONENTS ${OPENVDB_PYTHON_REQUIRED_COMPONENTS})
 
 openvdb_check_python_version(Python::Module