diff --git a/programs/build_helpers/check_reflect.py b/programs/build_helpers/check_reflect.py
index 0f41f355..24dc2166 100755
--- a/programs/build_helpers/check_reflect.py
+++ b/programs/build_helpers/check_reflect.py
@@ -3,7 +3,7 @@
 import json
 import os
 import re
-import xml.etree.ElementTree as etree
+import defusedxml.ElementTree as etree
 
 def process_node(path, node):
     """