diff --git a/package.json b/package.json
index 70ecdabe..f38e8ee8 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "test": "tests"
   },
   "scripts": {
-    "lint": "eslint app core po tests utils",
+    "lint": "eslint app core po/po2js tests utils",
     "test": "karma start karma.conf.js",
     "prepare": "node ./utils/use_require.js --as commonjs --clean"
   },
@@ -42,7 +42,7 @@
     "chai": "^3.5.0",
     "commander": "^2.9.0",
     "es-module-loader": "^2.1.0",
-    "eslint": "^4.16.0",
+    "eslint": "^5.1.0",
     "fs-extra": "^1.0.0",
     "jsdom": "*",
     "karma": "^1.3.0",