diff --git a/package-lock.json b/package-lock.json
index c8395a5..65a1d04 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,8 +37,8 @@
       "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.2.0.tgz",
       "integrity": "sha1-aj5r8KY5ALoVZSgIyxXGgT0aXyU=",
       "requires": {
-        "exit-on-epipe": "1.0.1",
-        "printj": "1.1.2"
+        "exit-on-epipe": "~1.0.1",
+        "printj": "~1.1.0"
       }
     },
     "ajv": {
@@ -199,14 +199,13 @@
       "dev": true
     },
     "cfb": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.1.0.tgz",
-      "integrity": "sha512-ZqfxNGWTMKhd0a/n6YKJLq8hWbd5kR3cA4kXwUj9vVEdHlwJ09werR8gN15Z7Y1FTXqdD6dE3GGCxv4uc28raA==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.0.tgz",
+      "integrity": "sha512-sXMvHsKCICVR3Naq+J556K+ExBo9n50iKl6LGarlnvuA2035uMlGA/qVrc0wQtow5P1vJEw9UyrKLCbtIKz+TQ==",
       "requires": {
-        "adler-32": "1.2.0",
-        "commander": "2.17.1",
-        "crc-32": "1.2.0",
-        "printj": "1.1.2"
+        "adler-32": "~1.2.0",
+        "crc-32": "~1.2.0",
+        "printj": "~1.1.2"
       }
     },
     "chalk": {
@@ -257,8 +256,8 @@
       "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.14.0.tgz",
       "integrity": "sha1-jL4lSBMjVZ19MHVxsP/5HnodL5k=",
       "requires": {
-        "commander": "2.14.1",
-        "exit-on-epipe": "1.0.1"
+        "commander": "~2.14.1",
+        "exit-on-epipe": "~1.0.1"
       },
       "dependencies": {
         "commander": {
@@ -319,8 +318,8 @@
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       "integrity": "sha512-1uBwHxF+Y/4yF5G48fwnKq6QsIXheor3ZLPT80yGBV1oEUwpPojlEhQbWKVw1VwcTQyMGHK1/XMmTjmlsmTTGA==",
       "requires": {
-        "exit-on-epipe": "1.0.1",
-        "printj": "1.1.2"
+        "exit-on-epipe": "~1.0.1",
+        "printj": "~1.1.0"
       }
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     "d": {
@@ -714,6 +713,11 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
+    "fflate": {
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.3.11.tgz",
+      "integrity": "sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A=="
+    },
     "figures": {
       "version": "1.7.0",
       "resolved": "https://npm.lab.128technology.com/figures/-/figures-1.7.0.tgz",
@@ -1704,11 +1708,11 @@
       "dev": true
     },
     "ssf": {
-      "version": "0.10.2",
-      "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.10.2.tgz",
-      "integrity": "sha512-rDhAPm9WyIsY8eZEKyE8Qsotb3j/wBdvMWBUsOhJdfhKGLfQidRjiBUV0y/MkyCLiXQ38FG6LWW/VYUtqlIDZQ==",
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.11.2.tgz",
+      "integrity": "sha512-+idbmIXoYET47hH+d7dfm2epdOMUDjqcB4648sTZ+t2JwoyBFL/insLfB/racrDmsKB3diwsDA696pZMieAC5g==",
       "requires": {
-        "frac": "1.1.2"
+        "frac": "~1.1.2"
       }
     },
     "string-width": {
@@ -1910,6 +1914,16 @@
         "spdx-expression-parse": "3.0.0"
       }
     },
+    "wmf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wmf/-/wmf-1.0.2.tgz",
+      "integrity": "sha512-/p9K7bEh0Dj6WbXg4JG0xvLQmIadrner1bi45VMJTfnbVHsc7yIajZyoSoK60/dtVBs12Fm6WkUI5/3WAVsNMw=="
+    },
+    "word": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
+      "integrity": "sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA=="
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://npm.lab.128technology.com/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -1931,17 +1945,20 @@
       }
     },
     "xlsx": {
-      "version": "0.14.1",
-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.14.1.tgz",
-      "integrity": "sha512-7hjB5YuyJo1fuuzXQjwuxD8LSUzE4Rxu5ToC3fB5JSunZxGjLcgKg69bEFG9GYoxeVDx5GL0k1dUodlvaQNRQw==",
-      "requires": {
-        "adler-32": "1.2.0",
-        "cfb": "1.1.0",
-        "codepage": "1.14.0",
-        "commander": "2.17.1",
-        "crc-32": "1.2.0",
-        "exit-on-epipe": "1.0.1",
-        "ssf": "0.10.2"
+      "version": "0.17.0",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.17.0.tgz",
+      "integrity": "sha512-bZ36FSACiAyjoldey1+7it50PMlDp1pcAJrZKcVZHzKd8BC/z6TQ/QAN8onuqcepifqSznR6uKnjPhaGt6ig9A==",
+      "requires": {
+        "adler-32": "~1.2.0",
+        "cfb": "^1.1.4",
+        "codepage": "~1.14.0",
+        "commander": "~2.17.1",
+        "crc-32": "~1.2.0",
+        "exit-on-epipe": "~1.0.1",
+        "fflate": "^0.3.8",
+        "ssf": "~0.11.2",
+        "wmf": "~1.0.1",
+        "word": "~0.3.0"
       }
     },
     "xtend": {
diff --git a/package.json b/package.json
index dc37f55..a1a9049 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "minimist": "^0.1.0",
     "mustache": "^3.0.1",
     "semver": "^5.6.0",
-    "xlsx": "^0.14.1"
+    "xlsx": "^0.17.0"
   },
   "devDependencies": {
     "prettier": "^1.11.1",