--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -90,7 +90,7 @@
 repository_status(${PROJECT_SOURCE_DIR} OTB_GIT_STATUS_MESSAGE)
 
 if(OTB_WRAP_PYTHON)
-  find_package(Python REQUIRED COMPONENTS Interpreter Development)
+  find_package(Python @PYVER@ EXACT REQUIRED COMPONENTS Interpreter Development)
   if(Python_FOUND)
     message(STATUS "Python Library directory : ${Python_LIBRARY_DIRS}")
     message(STATUS "Python Headers directory : ${Python_INCLUDE_DIRS}")