diff --git a/package-lock.json b/package-lock.json
index 344cdb6..5e80a49 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -255,21 +255,6 @@
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@@ -338,9 +323,9 @@
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@@ -641,23 +626,60 @@
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+          "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
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+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
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+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.7.tgz",
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+          "requires": {
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+            "picomatch": "^2.3.1"
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+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
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-            "minimatch": "2 || 3",
-            "once": "^1.3.0",
-            "path-is-absolute": "^1.0.0"
+            "is-number": "^7.0.0"
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@@ -771,43 +793,26 @@
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-          "requires": {
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-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^3.0.4",
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-      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.3.tgz",
-      "integrity": "sha512-mKwmo4X2d8/4c/BmcOETHek675uOqw0RuA/zy12jaspWqvTp4+ZeQF1W+OTpcbncnaBsfbQJ6l0l4j+Sn/GmaQ==",
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.6.1.tgz",
+      "integrity": "sha512-/ABUy3gYWu5iBmrUSRBP97JLpQUm0GgVveDCp6t3yRNIoltIYw7rEj3g5y1o2PGPR2vfTRGa7WC/LZHLTXnEzA==",
       "requires": {
-        "dateformat": "~3.0.3",
+        "dateformat": "~4.6.2",
         "eventemitter2": "~0.4.13",
         "exit": "~0.1.2",
-        "findup-sync": "~0.3.0",
+        "findup-sync": "~5.0.0",
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         "grunt-known-options": "~2.0.0",
         "grunt-legacy-log": "~3.0.0",
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-        "iconv-lite": "~0.4.13",
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-        "nopt": "~3.0.6",
-        "rimraf": "~3.0.2"
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@@ -1179,11 +1184,11 @@
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+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
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       "requires": {
-        "safer-buffer": ">= 2.1.2 < 3"
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
       }
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@@ -1639,11 +1644,6 @@
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-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
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@@ -1920,14 +1920,6 @@
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-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
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@@ -2069,11 +2061,6 @@
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-      "resolved": "https://registry.npmjs.org/snyk/-/snyk-1.996.0.tgz",
-      "integrity": "sha512-nq//Ely0bSt50LzX9Er5lCQNqTpaKn7I7xkhUB3Z+8rs8Jqha360HeQwhbVzsuQS3xT/1+36zt6CcgyLPM1QbA=="
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@@ -2128,16 +2115,16 @@
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-      "integrity": "sha1-QpMuWYo1LQH8IuwzZ9nYTuxsmt0="
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       "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
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+    "string-template": {
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+      "resolved": "https://registry.npmjs.org/string-template/-/string-template-0.2.1.tgz",
+      "integrity": "sha1-QpMuWYo1LQH8IuwzZ9nYTuxsmt0="
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     "strip-ansi": {
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diff --git a/package.json b/package.json
index 9b1a4b9..b901adf 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "version": "0.0.1",
   "main": "Gruntfile.js",
   "dependencies": {
-    "grunt": "^1.5.3",
+    "grunt": "^1.6.1",
     "grunt-chmod": "~1.0.3",
     "grunt-cli": "^1.3.0",
     "grunt-contrib-clean": "^0.5.0",