--- CMakeLists.txt.orig	2022-01-13 02:13:14 UTC
+++ CMakeLists.txt
@@ -1006,7 +1006,7 @@ include(CTest)
 #-------------------------------------------------------------------
 # Verify Python3 available
 #-------------------------------------------------------------------
-find_package(Python3)
+find_package(Python3 ${FREEBSD_PYTHON_VER} EXACT)
 if(NOT Python3_FOUND)
   message(FATAL_ERROR "Could not find required python3")
 endif(NOT Python3_FOUND)