diff --git a/.eslintrc.yml b/.eslintrc.yml
index 87af0074..0871bcad 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -1,7 +1,7 @@
 # https://github.com/eslint/eslint/blob/master/docs/rules/README.md
 
 parserOptions:
-  ecmaVersion: 2015
+  ecmaVersion: 2017
 
 env:
   browser: true
diff --git a/manifest.json b/manifest.json
index 9d59db44..ad3859f2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "Stylus",
   "version": "1.5.13",
-  "minimum_chrome_version": "49",
+  "minimum_chrome_version": "55",
   "description": "__MSG_description__",
   "homepage_url": "https://add0n.com/stylus.html",
   "manifest_version": 2,