diff --git a/dev_requirements.txt b/dev_requirements.txt
index 8ac5598d..0cf54843 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -15,7 +15,7 @@ python-docx==1.2.0
 python-pptx==1.0.2
 
 # Quality tooling — used by .github/workflows/quality.yml and locally.
-ruff==0.15.14
+ruff==0.15.18
 bandit==1.9.4
 pytest==9.0.3
 pytest-timeout==2.4.0