diff --git a/js/sw-toolbox/package.json b/js/sw-toolbox/package.json
index 8de8dfb..4745fae 100644
--- a/js/sw-toolbox/package.json
+++ b/js/sw-toolbox/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "browserify": "^6.3.2",
     "browserify-header": "^0.9.2",
-    "eslint": "^1.4.3",
+    "eslint": "^6.7.2",
     "eslint-config-xo": "^0.6.0",
     "gulp": "^3.8.10",
     "gulp-eslint": "^1.0.0",