diff --git a/pyproject.toml b/pyproject.toml
index ea79c4414..17eb84e29 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -129,7 +129,7 @@ dev = [
     "pytest-cov",
     "pytest-dotenv",
     "pytest-xdist",
-    "ruff==0.8.3", # match version specified in .pre-commit-config.yaml
+    "ruff==0.8.4", # match version specified in .pre-commit-config.yaml
     "textual-dev>=0.86.2",
     "types-PyYAML",
     "types-beautifulsoup4",