diff --git a/package-lock.json b/package-lock.json
index 3502d0e..9bb3372 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -124,6 +124,21 @@
       "integrity": "sha1-EpOLz5vhlI+gBvkuDEyegXBRCMA=",
       "dev": true
     },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
+    },
     "colors": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
@@ -377,13 +392,60 @@
       }
     },
     "grunt-shell": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/grunt-shell/-/grunt-shell-2.1.0.tgz",
-      "integrity": "sha1-Q595FZ7RHmSmUaacyKPQK+v17MI=",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/grunt-shell/-/grunt-shell-3.0.1.tgz",
+      "integrity": "sha512-C8eR4frw/NmIFIwSvzSLS4wOQBUzC+z6QhrKPzwt/tlaIqlzH35i/O2MggVOBj2Sh1tbaAqpASWxGiGsi4JMIQ==",
       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
-        "npm-run-path": "2.0.2"
+        "chalk": "^2.4.1",
+        "npm-run-path": "^2.0.0",
+        "strip-ansi": "^5.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.0.0.tgz",
+          "integrity": "sha512-iB5Dda8t/UqpPI/IjsejXu5jOGDrzn41wJyljwPH65VCIbk6+1BzFIMJGFwTNrYXT1CrD+B4l19U7awiQ8rk7w==",
+          "dev": true
+        },
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.0.0.tgz",
+          "integrity": "sha512-Uu7gQyZI7J7gn5qLn1Np3G9vcYGTVqB+lFTytnDJv83dd8T22aGH451P3jueT2/QemInJDfxHB5Tde5OzgG1Ow==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
       }
     },
     "has-ansi": {
@@ -395,6 +457,12 @@
         "ansi-regex": "2.1.1"
       }
     },
+    "has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+      "dev": true
+    },
     "hooker": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/hooker/-/hooker-0.2.3.tgz",
@@ -599,7 +667,7 @@
       "integrity": "sha1-NakjLfo11wZ7TLLd8jV7GHFTbF8=",
       "dev": true,
       "requires": {
-        "path-key": "2.0.1"
+        "path-key": "^2.0.0"
       }
     },
     "number-is-nan": {
diff --git a/package.json b/package.json
index ef53ab0..30b7fff 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "grunt": "1.0.1",
-    "grunt-shell": "2.1.0",
+    "grunt-shell": "3.0.1",
     "load-grunt-tasks": "3.5.2",
     "time-grunt": "1.4.0"
   },