diff --git a/package.json b/package.json
index 671c27c..efea51b 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
   "scripts": {
     "start": "vite serve",
     "build": "vite build",
-    "lint": "eslint --ignore-path .gitignore --ext .ts,.tsx,.yml,.yaml .",
+    "lint": "ESLINT_USE_FLAT_CONFIG=false eslint --ignore-path .gitignore --ignore-pattern testdata/ --ext .ts,.tsx,.yml,.yaml .",
     "fix": "yarn lint --fix",
     "test": "yarn jest",
     "test:watch": "yarn jest --watch"