diff --git a/.gitignore b/.gitignore
index 4489bce0..0071d7df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 /node_modules/
 /vendor/
 /composer.lock
+.eslintcache
 
 # Editors
 *.kate-swp
diff --git a/Gruntfile.js b/Gruntfile.js
index 30e84159..4360b801 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -15,6 +15,10 @@ module.exports = function ( grunt ) {
 	grunt.initConfig( {
 		banana: conf.MessagesDirs,
 		eslint: {
+			options: {
+				reportUnusedDisableDirectives: true,
+				cache: true
+			},
 			all: [
 				'**/*.js',
 				'!node_modules/**',
diff --git a/package.json b/package.json
index 52aff018..5e35ac66 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
 		"test": "grunt test"
 	},
 	"devDependencies": {
-		"eslint-config-wikimedia": "0.10.1",
+		"eslint-config-wikimedia": "0.11.0",
 		"grunt": "1.0.3",
 		"grunt-banana-checker": "0.7.0",
 		"grunt-eslint": "21.0.0",