diff --git a/package-lock.json b/package-lock.json
index cfe7f059a..b5ced66e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,9 +67,9 @@
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@@ -601,9 +601,9 @@
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+        "async": "~2.6.4",
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-          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
-          "dev": true
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-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
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-      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
-      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
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+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.2.tgz",
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-        "json-schema": "0.2.3",
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@@ -1352,18 +1355,18 @@
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+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
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-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.32.tgz",
-      "integrity": "sha512-hJGaVS4G4c9TSMYh2n6SQAGrC4RnfU+daP8G7cSCmaqNjiOoUY0VHCMS42pxnQmVF1GWwFhbHWn3RIxCqTmZ9A==",
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
       "dev": true,
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-        "mime-db": "1.49.0"
+        "mime-db": "1.52.0"
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@@ -1376,9 +1379,9 @@
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-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
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+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
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@@ -1601,12 +1604,12 @@
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+      "resolved": "https://registry.npmjs.org/pixelsmith/-/pixelsmith-2.6.0.tgz",
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-        "async": "~0.9.0",
+        "async": "^3.2.3",
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@@ -1617,9 +1620,9 @@
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-          "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=",
+          "version": "3.2.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
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@@ -1664,9 +1667,9 @@
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-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
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+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
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@@ -1827,9 +1830,9 @@
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-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
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+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.17.0.tgz",
+      "integrity": "sha512-/9HIEs1ZXGhSPE8X6Ccm7Nam1z8KcoCqPdI7ecm1N33EzAetWahvQWVqLZtaZQ+IDKX4IyA2o0gBzqIMkAagHQ==",
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@@ -1993,9 +1996,9 @@
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-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
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+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.3.tgz",
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@@ -2065,6 +2068,14 @@
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
         "extsprintf": "^1.2.0"
+      },
+      "dependencies": {
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+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+          "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
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     "vinyl": {
diff --git a/package.json b/package.json
index a3b43a8e0..c8fb72213 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,6 @@
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     "grunt-contrib-cssmin": "^4.0.0",
     "grunt-contrib-uglify": "^5.0.0",
-    "grunt-spritesmith": "^6.8.0"
+    "grunt-spritesmith": "^6.10.0"
   }
 }