diff --git a/pyproject.toml b/pyproject.toml
index 1a85989..2fd699a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest>=8.0.0",
-    "ruff>=0.8.0",
+    "ruff>=0.15.15",
 ]
 
 [tool.setuptools.packages.find]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index dbf8a33..2d53a4f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
 -r requirements.txt
 pytest>=8.0.0
-ruff>=0.8.0
+ruff>=0.15.15