diff --git a/plugins/tools/_reader_xlsx.py b/plugins/tools/_reader_xlsx.py
index 0d555e8..c02d293 100644
--- a/plugins/tools/_reader_xlsx.py
+++ b/plugins/tools/_reader_xlsx.py
@@ -15,6 +15,7 @@
 import os
 import re
 import shutil
+import subprocess
 import tempfile
 import xml.etree.ElementTree as _ET
 import zipfile