diff --git a/package.json b/package.json
index 4e626b3..ddee0b3 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "base64url": "^2.0.0",
     "ed25519": "0.0.4",
-    "eslint": "^3.12.2",
+    "eslint": "^6.6.0",
     "eslint-config-standard": "^6.2.1",
     "eslint-plugin-promise": "^3.4.0",
     "eslint-plugin-standard": "^2.0.1",