diff --git a/README.md b/README.md
index c39d646..fdb7487 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ My useful python scripts.
 - `apk_mixer` - view https://habr.com/ru/post/422885/
 - `math_bruteforce` - scripts for "bruteforcing" mathematical expressions. Merge from [DarkCat09/Math_BruteForce](https://github.com/DarkCat09/Math_BruteForce).
 - `base64passwds.py` - writes your credentials to a file, encrypting password using Base64.
+- `bookrename.py` - script for renaming PDF,DOC(X),EPUB,FB2,TXT-books. https://4pda.ru/forum/index.php?s=&showtopic=256807&view=findpost&p=105705978
 - `calculator.py` - calculator :)
 - `fasticoconverter.py` - I tried to use online-convert.com API...
 - `habr_parser.py` - script for parsing articles from Habr, using XPath (module `lxml`). Created for [this](https://github.com/IngCenter/SMM) project.