diff --git a/README.rst b/README.rst
index d1a1c31..1d2fe85 100644
--- a/README.rst
+++ b/README.rst
@@ -27,8 +27,8 @@
 .. image:: https://img.shields.io/coveralls/mb-wali/invenio-theme-iform.svg
         :target: https://coveralls.io/r/mb-wali/invenio-theme-iform
 
-.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
-    :target: https://github.com/psf/black
+.. image:: https://img.shields.io/badge/code%20style-Ruff-D7FF64.svg
+    :target: https://github.com/astral-sh/ruff
 
 I-Form standard theme.