diff --git a/docs/rmarkdown-libs/leaflet-providers/package.json b/docs/rmarkdown-libs/leaflet-providers/package.json
index 1cec584..9f57957 100644
--- a/docs/rmarkdown-libs/leaflet-providers/package.json
+++ b/docs/rmarkdown-libs/leaflet-providers/package.json
@@ -26,7 +26,7 @@
   ],
   "devDependencies": {
     "chai": "^4.1.2",
-    "eslint": "^3.16.1",
+    "eslint": "^6.7.1",
     "eslint-plugin-html": "^2.0.1",
     "mocha": "^3.2.0",
     "mocha-phantomjs-core": "^2.1.1",