diff --git a/pyproject.toml b/pyproject.toml
index a8c1667..97c532c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest==8.4.2",
-    "ruff==0.14.7",
+    "ruff==0.15.4",
 ]
 
 [tool.setuptools.packages.find]
diff --git a/requirements.txt b/requirements.txt
index bdf28a2..a464de8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ slack-cli-hooks<1.0.0
 openai==2.24.0
 
 pytest==9.0.2
-ruff==0.14.14
+ruff==0.15.4
 python-dotenv==1.2.1
 slack-cli-hooks<1.0.0