diff --git a/package-lock.json b/package-lock.json
index 3e1b2821..88aae6cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -623,15 +623,15 @@
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-			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.0.tgz",
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+			"version": "4.2.3",
+			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+			"integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
 			"dev": true
 		},
 		"grunt": {
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-			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.0.4.tgz",
-			"integrity": "sha512-PYsMOrOC+MsdGEkFVwMaMyc6Ob7pKmq+deg1Sjr+vvMWp35sztfwKE7qoN51V+UEtHsyNuMcGdgMLFkBHvMxHQ==",
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/grunt/-/grunt-1.1.0.tgz",
+			"integrity": "sha512-+NGod0grmviZ7Nzdi9am7vuRS/h76PcWDsV635mEXF0PEQMUV6Kb+OjTdsVxbi0PZmfQOjCMKb3w8CVZcqsn1g==",
 			"dev": true,
 			"requires": {
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@@ -645,9 +645,9 @@
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 				"grunt-legacy-util": "~1.1.1",
 				"iconv-lite": "~0.4.13",
-				"js-yaml": "~3.13.0",
+				"js-yaml": "~3.13.1",
 				"minimatch": "~3.0.2",
-				"mkdirp": "~0.5.1",
+				"mkdirp": "~1.0.3",
 				"nopt": "~3.0.6",
 				"path-is-absolute": "~1.0.0",
 				"rimraf": "~2.6.2"
@@ -679,6 +679,12 @@
 						"resolve": "~1.1.0"
 					}
 				},
+				"mkdirp": {
+					"version": "1.0.3",
+					"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.3.tgz",
+					"integrity": "sha512-6uCP4Qc0sWsgMLy1EOqqS/3rjDHOEnsStVr/4vtAIK2Y5i2kA7lFFejYrpIyiN9w0pYf4ckeCYT9f1r1P9KX5g==",
+					"dev": true
+				},
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 					"resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
@@ -759,9 +765,9 @@
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-			"resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
-			"integrity": "sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==",
+			"version": "2.8.8",
+			"resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.8.tgz",
+			"integrity": "sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==",
 			"dev": true
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@@ -862,13 +868,10 @@
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-			"resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.0.2.tgz",
-			"integrity": "sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=",
-			"dev": true,
-			"requires": {
-				"number-is-nan": "^1.0.0"
-			}
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.1.0.tgz",
+			"integrity": "sha512-cdyMtqX/BOqqNBBiKlIVkytNHm49MtMlYyn1zxzvJKWmFMlGzm+ry5BBfYyeY9YmNKbRSo/o7OX9w9ale0wg3w==",
+			"dev": true
 		},
 		"is-fullwidth-code-point": {
 			"version": "3.0.0",
@@ -1001,9 +1004,9 @@
 			},
 			"dependencies": {
 				"minimist": {
-					"version": "1.2.0",
-					"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-					"integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+					"version": "1.2.5",
+					"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+					"integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
 					"dev": true
 				}
 			}
@@ -1083,12 +1086,6 @@
 				"validate-npm-package-license": "^3.0.1"
 			}
 		},
-		"number-is-nan": {
-			"version": "1.0.1",
-			"resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-			"integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-			"dev": true
-		},
 		"object-assign": {
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 			"resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -1275,9 +1272,9 @@
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-			"resolved": "https://registry.npmjs.org/resolve/-/resolve-1.11.1.tgz",
-			"integrity": "sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==",
+			"version": "1.15.1",
+			"resolved": "https://registry.npmjs.org/resolve/-/resolve-1.15.1.tgz",
+			"integrity": "sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==",
 			"dev": true,
 			"requires": {
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diff --git a/package.json b/package.json
index 494f024b..248d0c4a 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
 	},
 	"devDependencies": {
 		"eslint-config-wikimedia": "0.15.0",
-		"grunt": "1.0.4",
+		"grunt": "1.1.0",
 		"grunt-banana-checker": "0.8.1",
 		"grunt-eslint": "22.0.0"
 	}