diff --git a/pyproject.toml b/pyproject.toml
index 3d7cfb7..2de031e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ test = [
   "pytest==8.3.4",
   "pytest-cov==6.0.0",
   "tomli==2.2.1",
-  "ruff==0.8.2",
+  "ruff==0.8.4",
 ]
 
 [tool.codespell]