diff --git a/.drone.yml b/.drone.yml
index cd85b56..f38c241 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -21,6 +21,7 @@ steps:
 - name: test
   image: python:3
   commands:
+    - pip install xlwt
     - python run_excel_re.py
     - ls -lR test_Report
     - cp -r test_Report/* /tmp/cache