diff --git a/pyproject.toml b/pyproject.toml
index 05dffb7..6ee28c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest==9.1.1",
-    "ruff==0.16.3",
+    "ruff==0.16.4",
 ]
 
 [tool.setuptools.packages.find]
diff --git a/requirements.txt b/requirements.txt
index c164455..cfe4be3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ slack-cli-hooks<1.0.0
 openai==2.53.0
 
 pytest==9.1.1
-ruff==0.16.3
+ruff==0.16.4
 python-dotenv==1.2.3
 slack-cli-hooks<1.0.0