diff --git a/cmake/kobj.cmake b/cmake/kobj.cmake
index b8cdc53ba6b..bd16d3538d9 100644
--- a/cmake/kobj.cmake
+++ b/cmake/kobj.cmake
@@ -22,6 +22,7 @@ function(gen_kobj gen_dir_out)
     --kobj-otype-output ${KOBJ_OTYPE}
     --kobj-size-output ${KOBJ_SIZE}
     $<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
+    DEPENDS $ENV{ZEPHYR_BASE}/scripts/gen_kobject_list.py
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
     )
   add_custom_target(${KOBJ_TYPES_H_TARGET} DEPENDS ${KOBJ_TYPES} ${KOBJ_OTYPE})