diff --git a/.gitignore b/.gitignore
index 3fac7c47..56da3b63 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,5 @@
 node_modules
 /vendor
 composer.lock
+.eslintcache
+
diff --git a/Gruntfile.js b/Gruntfile.js
index 99ca27df..1e799303 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -17,7 +17,8 @@ module.exports = function ( grunt ) {
 	grunt.initConfig( {
 		eslint: {
 			options: {
-				reportUnusedDisableDirectives: true
+				reportUnusedDisableDirectives: true,
+				cache: true
 			},
 			all: [
 				'*.js',
diff --git a/package.json b/package.json
index 25e64145..8920e316 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
 		"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-contrib-watch": "1.1.0",