diff --git a/package-lock.json b/package-lock.json
index 985254f..6782f13 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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-      "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8=",
-      "dev": true
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@@ -175,8 +165,7 @@
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-      "dev": true
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-      "dev": true
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@@ -7563,6 +7696,7 @@
       "resolved": "https://registry.npmjs.org/vinyl-assign/-/vinyl-assign-1.2.1.tgz",
       "integrity": "sha1-TRmIkbVRWRHXcajNnFSApGoHSkU=",
       "dev": true,
+      "optional": true,
       "requires": {
         "object-assign": "4.1.1",
         "readable-stream": "2.3.6"
@@ -7677,6 +7811,7 @@
       "resolved": "https://registry.npmjs.org/ware/-/ware-1.3.0.tgz",
       "integrity": "sha1-0bFPOdLiy0q4xAmPdW/ksWTkc9Q=",
       "dev": true,
+      "optional": true,
       "requires": {
         "wrap-fn": "0.1.5"
       }
@@ -7749,6 +7884,7 @@
       "resolved": "https://registry.npmjs.org/wrap-fn/-/wrap-fn-0.1.5.tgz",
       "integrity": "sha1-8htuQQFv9KfjFyDbxjoJAWvfmEU=",
       "dev": true,
+      "optional": true,
       "requires": {
         "co": "3.1.0"
       }
@@ -7821,6 +7957,7 @@
       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
       "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
       "dev": true,
+      "optional": true,
       "requires": {
         "buffer-crc32": "0.2.13",
         "fd-slicer": "1.1.0"
diff --git a/package.json b/package.json
index 88eb9b2..a6dac0a 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Micro - WordPress.org theme by Alex Dimitrov",
   "main": "Gulpfile.js",
   "dependencies": {
-    "grunt": "^0.4.5",
+    "grunt": "^1.3.0",
     "grunt-sass": "^1.1.0"
   },
   "devDependencies": {