diff --git a/services/lex/pyproject.toml b/services/lex/pyproject.toml
index 6a34fe4..852c2a4 100644
--- a/services/lex/pyproject.toml
+++ b/services/lex/pyproject.toml
@@ -32,7 +32,7 @@ dev = [
     "pytest==9.0.3",
     "pytest-cov==7.1.0",
     "mypy==1.14.1",
-    "ruff==0.8.6",
+    "ruff==0.16.2",
     "httpx==0.28.1",
     "types-bleach==6.2.0.20241123",
 ]