diff --git a/demo/package.json b/demo/package.json
index aba89bb4..b8c9fa6a 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -39,7 +39,7 @@
     "@types/node": "20.14.10",
     "@typescript-eslint/eslint-plugin": "5.62.0",
     "@typescript-eslint/parser": "5.62.0",
-    "eslint": "8.57.0",
+    "eslint": "9.9.1",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-prettier": "5.1.3",
     "fs": "0.0.1-security",
diff --git a/package.json b/package.json
index 88cdac40..4f96ac54 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@types/nunjucks": "3.2.6",
     "@typescript-eslint/eslint-plugin": "5.62.0",
     "@typescript-eslint/parser": "5.62.0",
-    "eslint": "8.57.0",
+    "eslint": "9.9.1",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-import": "2.29.1",
     "husky": "9.0.11",