diff --git a/package-lock.json b/package-lock.json
index 6d4cdd1667..81d0342417 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3458,9 +3458,9 @@
 			"dev": true
 		},
 		"grunt": {
-			"version": "1.2.1",
-			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.2.1.tgz",
-			"integrity": "sha512-zgJjn9N56tScvRt/y0+1QA+zDBnKTrkpyeSBqQPLcZvbqTD/oyGMrdZQXmm6I3828s+FmPvxc3Xv+lgKFtudOw==",
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.3.0.tgz",
+			"integrity": "sha512-6ILlMXv11/4cxuhSMfSU+SfvbxrPuqZrAtLN64+tZpQ3DAKfSQPQHRbTjSbdtxfyQhGZPtN0bDZJ/LdCM5WXXA==",
 			"dev": true,
 			"requires": {
 				"dateformat": "~3.0.3",
@@ -3470,8 +3470,8 @@
 				"glob": "~7.1.6",
 				"grunt-cli": "~1.3.2",
 				"grunt-known-options": "~1.1.0",
-				"grunt-legacy-log": "~2.0.0",
-				"grunt-legacy-util": "~1.1.1",
+				"grunt-legacy-log": "~3.0.0",
+				"grunt-legacy-util": "~2.0.0",
 				"iconv-lite": "~0.4.13",
 				"js-yaml": "~3.14.0",
 				"minimatch": "~3.0.4",
@@ -3660,52 +3660,39 @@
 			"dev": true
 		},
 		"grunt-legacy-log": {
-			"version": "2.0.0",
-			"resolved": "https://registry.npmjs.org/grunt-legacy-log/-/grunt-legacy-log-2.0.0.tgz",
-			"integrity": "sha512-1m3+5QvDYfR1ltr8hjiaiNjddxGdQWcH0rw1iKKiQnF0+xtgTazirSTGu68RchPyh1OBng1bBUjLmX8q9NpoCw==",
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/grunt-legacy-log/-/grunt-legacy-log-3.0.0.tgz",
+			"integrity": "sha512-GHZQzZmhyq0u3hr7aHW4qUH0xDzwp2YXldLPZTCjlOeGscAOWWPftZG3XioW8MasGp+OBRIu39LFx14SLjXRcA==",
 			"dev": true,
 			"requires": {
 				"colors": "~1.1.2",
-				"grunt-legacy-log-utils": "~2.0.0",
+				"grunt-legacy-log-utils": "~2.1.0",
 				"hooker": "~0.2.3",
-				"lodash": "~4.17.5"
+				"lodash": "~4.17.19"
 			}
 		},
 		"grunt-legacy-log-utils": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/grunt-legacy-log-utils/-/grunt-legacy-log-utils-2.0.1.tgz",
-			"integrity": "sha512-o7uHyO/J+i2tXG8r2bZNlVk20vlIFJ9IEYyHMCQGfWYru8Jv3wTqKZzvV30YW9rWEjq0eP3cflQ1qWojIe9VFA==",
+			"version": "2.1.0",
+			"resolved": "https://registry.npmjs.org/grunt-legacy-log-utils/-/grunt-legacy-log-utils-2.1.0.tgz",
+			"integrity": "sha512-lwquaPXJtKQk0rUM1IQAop5noEpwFqOXasVoedLeNzaibf/OPWjKYvvdqnEHNmU+0T0CaReAXIbGo747ZD+Aaw==",
 			"dev": true,
 			"requires": {
-				"chalk": "~2.4.1",
-				"lodash": "~4.17.10"
-			},
-			"dependencies": {
-				"chalk": {
-					"version": "2.4.2",
-					"resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-					"integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-					"dev": true,
-					"requires": {
-						"ansi-styles": "^3.2.1",
-						"escape-string-regexp": "^1.0.5",
-						"supports-color": "^5.3.0"
-					}
-				}
+				"chalk": "~4.1.0",
+				"lodash": "~4.17.19"
 			}
 		},
 		"grunt-legacy-util": {
-			"version": "1.1.1",
-			"resolved": "https://registry.npmjs.org/grunt-legacy-util/-/grunt-legacy-util-1.1.1.tgz",
-			"integrity": "sha512-9zyA29w/fBe6BIfjGENndwoe1Uy31BIXxTH3s8mga0Z5Bz2Sp4UCjkeyv2tI449ymkx3x26B+46FV4fXEddl5A==",
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/grunt-legacy-util/-/grunt-legacy-util-2.0.0.tgz",
+			"integrity": "sha512-ZEmYFB44bblwPE2oz3q3ygfF6hseQja9tx8I3UZIwbUik32FMWewA+d1qSFicMFB+8dNXDkh35HcDCWlpRsGlA==",
 			"dev": true,
 			"requires": {
 				"async": "~1.5.2",
 				"exit": "~0.1.1",
 				"getobject": "~0.1.0",
 				"hooker": "~0.2.3",
-				"lodash": "~4.17.10",
-				"underscore.string": "~3.3.4",
+				"lodash": "~4.17.20",
+				"underscore.string": "~3.3.5",
 				"which": "~1.3.0"
 			},
 			"dependencies": {
diff --git a/package.json b/package.json
index aa1485640c..557f275228 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
 	},
 	"devDependencies": {
 		"eslint-config-wikimedia": "0.17.0",
-		"grunt": "1.2.1",
+		"grunt": "1.3.0",
 		"grunt-banana-checker": "0.9.0",
 		"grunt-contrib-copy": "1.0.0",
 		"grunt-contrib-watch": "1.1.0",