diff --git a/requirements-dev.txt b/requirements-dev.txt
index 598e1a5..eb4398e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -98,7 +98,7 @@ requests==2.32.5
     #   sphinx-immaterial
 roman-numerals==4.1.0
     # via sphinx
-ruff==0.15.5
+ruff==0.15.6
     # via pyuspto
 snowballstemmer==3.0.1
     # via sphinx