diff --git a/package-lock.json b/package-lock.json
index cca328e6..befafe02 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
 			"name": "UniversalLanguageSelector",
 			"devDependencies": {
 				"eslint-config-wikimedia": "0.22.1",
-				"grunt": "1.5.2",
+				"grunt": "1.5.3",
 				"grunt-banana-checker": "0.9.0",
 				"grunt-eslint": "24.0.0",
 				"grunt-stylelint": "0.17.0",
@@ -2195,9 +2195,9 @@
 			"dev": true
 		},
 		"node_modules/grunt": {
-			"version": "1.5.2",
-			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.2.tgz",
-			"integrity": "sha512-XCtfaIu72OyDqK24MjWiGC9SwlkuhkS1mrULr1xzuJ2XqAFhP3ZAchZGHJeSCY6mkaOXU4F7SbmmCF7xIVoC9w==",
+			"version": "1.5.3",
+			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.3.tgz",
+			"integrity": "sha512-mKwmo4X2d8/4c/BmcOETHek675uOqw0RuA/zy12jaspWqvTp4+ZeQF1W+OTpcbncnaBsfbQJ6l0l4j+Sn/GmaQ==",
 			"dev": true,
 			"dependencies": {
 				"dateformat": "~3.0.3",
@@ -4996,8 +4996,7 @@
 			"version": "5.3.2",
 			"resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.2.tgz",
 			"integrity": "sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==",
-			"dev": true,
-			"requires": {}
+			"dev": true
 		},
 		"ajv": {
 			"version": "6.12.6",
@@ -5859,8 +5858,7 @@
 			"version": "2.7.0",
 			"resolved": "https://registry.npmjs.org/eslint-plugin-no-jquery/-/eslint-plugin-no-jquery-2.7.0.tgz",
 			"integrity": "sha512-Aeg7dA6GTH1AcWLlBtWNzOU9efK5KpNi7b0EhBO0o0M+awyzguUUo8gF6hXGjQ9n5h8/uRtYv9zOqQkeC5CG0w==",
-			"dev": true,
-			"requires": {}
+			"dev": true
 		},
 		"eslint-plugin-node": {
 			"version": "11.1.0",
@@ -6414,9 +6412,9 @@
 			"dev": true
 		},
 		"grunt": {
-			"version": "1.5.2",
-			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.2.tgz",
-			"integrity": "sha512-XCtfaIu72OyDqK24MjWiGC9SwlkuhkS1mrULr1xzuJ2XqAFhP3ZAchZGHJeSCY6mkaOXU4F7SbmmCF7xIVoC9w==",
+			"version": "1.5.3",
+			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.3.tgz",
+			"integrity": "sha512-mKwmo4X2d8/4c/BmcOETHek675uOqw0RuA/zy12jaspWqvTp4+ZeQF1W+OTpcbncnaBsfbQJ6l0l4j+Sn/GmaQ==",
 			"dev": true,
 			"requires": {
 				"dateformat": "~3.0.3",
@@ -7387,8 +7385,7 @@
 			"version": "6.0.0",
 			"resolved": "https://registry.npmjs.org/postcss-less/-/postcss-less-6.0.0.tgz",
 			"integrity": "sha512-FPX16mQLyEjLzEuuJtxA8X3ejDLNGGEG503d2YGZR5Ask1SpDN8KmZUMpzCvyalWRywAn1n1VOA5dcqfCLo5rg==",
-			"dev": true,
-			"requires": {}
+			"dev": true
 		},
 		"postcss-media-query-parser": {
 			"version": "0.2.3",
@@ -7406,8 +7403,7 @@
 			"version": "6.0.0",
 			"resolved": "https://registry.npmjs.org/postcss-safe-parser/-/postcss-safe-parser-6.0.0.tgz",
 			"integrity": "sha512-FARHN8pwH+WiS2OPCxJI8FuRJpTVnn6ZNFiqAM2aeW2LwTHWWmWgIyKC6cUo0L8aeKiF/14MNvnpls6R2PBeMQ==",
-			"dev": true,
-			"requires": {}
+			"dev": true
 		},
 		"postcss-selector-parser": {
 			"version": "6.0.10",
@@ -7966,8 +7962,7 @@
 			"version": "7.0.0",
 			"resolved": "https://registry.npmjs.org/stylelint-config-recommended/-/stylelint-config-recommended-7.0.0.tgz",
 			"integrity": "sha512-yGn84Bf/q41J4luis1AZ95gj0EQwRX8lWmGmBwkwBNSkpGSpl66XcPTulxGa/Z91aPoNGuIGBmFkcM1MejMo9Q==",
-			"dev": true,
-			"requires": {}
+			"dev": true
 		},
 		"stylelint-config-wikimedia": {
 			"version": "0.13.0",
diff --git a/package.json b/package.json
index 97c0f3b6..55e9c0a3 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
 	},
 	"devDependencies": {
 		"eslint-config-wikimedia": "0.22.1",
-		"grunt": "1.5.2",
+		"grunt": "1.5.3",
 		"grunt-banana-checker": "0.9.0",
 		"grunt-eslint": "24.0.0",
 		"grunt-stylelint": "0.17.0",