diff --git a/cloud/voice/package.json b/cloud/voice/package.json
index a9bd417..95c0d1a 100644
--- a/cloud/voice/package.json
+++ b/cloud/voice/package.json
@@ -22,7 +22,7 @@
     "particle-api-js": "^6.4.3"
   },
   "devDependencies": {
-    "eslint": "^3.19.0",
+    "eslint": "^6.6.0",
     "eslint-config-semistandard": "^11.0.0",
     "eslint-config-standard": "^10.2.1",
     "eslint-plugin-import": "^2.3.0",