diff --git a/flask-app/README.md b/flask-app/README.md
index ab974ed..d1caede 100644
--- a/flask-app/README.md
+++ b/flask-app/README.md
@@ -37,6 +37,7 @@ Prerequisites: Python 3.7+, Git, Java8 JRE
 6. Install dependencies - run:
 
        $ pip install -r *_requirements.txt
+       $ python venv/Scripts/pywin32_postinstall.py -install
 
 7. Run set-mtw-admin tool: