diff --git a/pyproject.toml b/pyproject.toml
index cd28914..943ad69 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,6 +59,7 @@ dev = [
   "pip-tools",
   "pytest-cov",
   "pytest",
+  "ruff",
   "sphinx-rtd-theme",
   "sphinx==7.1.2",
   "sphinxcontrib-applehelp==1.0.4",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e4ce22f..c3b2d99 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -67,6 +67,8 @@ pytest-cov==5.0.0
     # via metsrw (pyproject.toml)
 requests==2.32.3
     # via sphinx
+ruff==0.4.9
+    # via metsrw (pyproject.toml)
 snowballstemmer==2.2.0
     # via sphinx
 sphinx==7.1.2