diff --git a/package-lock.json b/package-lock.json
index 7877a01..c43ea6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -442,6 +442,11 @@
       "integrity": "sha1-ZR+DjiJCTnVm3hYdg1jKoZn4PU8=",
       "dev": true
     },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+    },
     "gaze": {
       "version": "0.5.2",
       "resolved": "https://nexus3.pvtool.org/repository/npm-default/gaze/-/gaze-0.5.2.tgz",
@@ -538,11 +543,48 @@
       }
     },
     "grunt-contrib-clean": {
-      "version": "0.7.0",
-      "resolved": "https://nexus3.pvtool.org/repository/npm-default/grunt-contrib-clean/-/grunt-contrib-clean-0.7.0.tgz",
-      "integrity": "sha1-EvynC79SW5GLc+XMsUUPQ762Kc0=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/grunt-contrib-clean/-/grunt-contrib-clean-2.0.1.tgz",
+      "integrity": "sha512-uRvnXfhiZt8akb/ZRDHJpQQtkkVkqc/opWO4Po/9ehC2hPxgptB9S6JHDC/Nxswo4CJSM0iFPT/Iym3cEMWzKA==",
       "requires": {
-        "rimraf": "^2.2.1"
+        "async": "^3.2.3",
+        "rimraf": "^2.6.2"
+      },
+      "dependencies": {
+        "async": {
+          "version": "3.2.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
+          "integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g=="
+        },
+        "glob": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
+          "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "minimatch": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+          "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+          "requires": {
+            "brace-expansion": "^1.1.7"
+          }
+        },
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
       }
     },
     "grunt-contrib-compass": {
@@ -1248,6 +1290,11 @@
         "pinkie-promise": "^2.0.0"
       }
     },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+    },
     "path-parse": {
       "version": "1.0.6",
       "resolved": "https://nexus3.pvtool.org/repository/npm-default/path-parse/-/path-parse-1.0.6.tgz",
diff --git a/package.json b/package.json
index dc79113..3bcdd31 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "grunt": "0.4.5",
     "grunt-sync": "0.4.1",
-    "grunt-contrib-clean": "0.7.0",
+    "grunt-contrib-clean": "2.0.1",
     "grunt-contrib-compass": "1.1.1",
     "grunt-contrib-concat": "0.5.1",
     "grunt-contrib-uglify": "0.11.1",