diff --git a/pyproject.toml b/pyproject.toml
index bf27a889..1a8e1017 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "pyth-on-line"
 version = "0"
 requires-python = ">=3.13"
 dependencies = [
-    "ruff~=0.14.0",
+    "ruff~=0.15.1",
     "webtypy~=0.1.7",
     "micropip~=0.11.0",
     "pyodide-py==0.29.0",