diff --git a/pl/py/libfws/ui/web/flask/docs/books.txt b/pl/py/libfws/ui/web/flask/docs/books.txt
index 91292c3f0..6e2823767 100644
--- a/pl/py/libfws/ui/web/flask/docs/books.txt
+++ b/pl/py/libfws/ui/web/flask/docs/books.txt
@@ -1,3 +1,6 @@
+2023
+Aggarwal - Flask Framework Cookbook 3rd ed
+    414C4D9BAB5F024306F1FFE2CC266DC5
 2021
 Rehan - Web API Development with Python - A Beginner's Guide using Flask and FastAPI
     07F03032926AF0A961F6D85AAE38D018