diff --git a/package-lock.json b/package-lock.json
index 9ea6b09..8b91aae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,15 @@
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+      "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.0.tgz",
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+        "crc-32": "~1.2.0",
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@@ -247,19 +266,18 @@
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-      "integrity": "sha1-EHYJW58DtcoE9Dhz+hpid0IoXeI=",
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+      "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.14.0.tgz",
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-        "exit-on-epipe": "~1.0.1",
-        "voc": "~1.0.0"
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+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.14.1.tgz",
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@@ -271,6 +289,11 @@
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
+      "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg=="
+    },
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       "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
@@ -316,6 +339,15 @@
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+    "crc-32": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.0.tgz",
+      "integrity": "sha512-1uBwHxF+Y/4yF5G48fwnKq6QsIXheor3ZLPT80yGBV1oEUwpPojlEhQbWKVw1VwcTQyMGHK1/XMmTjmlsmTTGA==",
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+        "printj": "~1.1.0"
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@@ -523,6 +555,11 @@
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       "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
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+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.3.11.tgz",
+      "integrity": "sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A=="
+    },
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       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.0.tgz",
@@ -557,6 +594,11 @@
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       "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
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+    "frac": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/frac/-/frac-1.1.2.tgz",
+      "integrity": "sha512-w/XBfkibaTl3YDqASwfDUqkna4Z2p9cFSr1aHDt0WoMTECnRfBOv2WArlZILlqgWlmdIlALXGpM2AOhEk5W3IA=="
+    },
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@@ -1014,9 +1056,9 @@
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-      "resolved": "https://registry.npmjs.org/printj/-/printj-1.1.0.tgz",
-      "integrity": "sha512-NbiNBOQ0GioHyeD3ni8wZB7ZmfU7mxIrqhWR5XSreX3rUVvk5UOwpzxOnWqrLdCtoBbdQ40sEwC+nXxxjlUo0A=="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/printj/-/printj-1.1.2.tgz",
+      "integrity": "sha512-zA2SmoLaxZyArQTOPj5LXecR+RagfPSU5Kw1qP+jkWeNlrq+eJZyY2oS68SU1Z/7/myXM4lo9716laOFAVStCQ=="
     },
     "proxy-addr": {
       "version": "2.0.2",
@@ -1283,6 +1325,14 @@
         }
       }
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+    "ssf": {
+      "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"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.1.tgz",
@@ -1465,10 +1515,15 @@
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       }
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-      "resolved": "https://registry.npmjs.org/voc/-/voc-1.0.0.tgz",
-      "integrity": "sha512-mQwxWlK+zosxxDTqiFb9ZQBNgd794scgkhVwca7h9sEhvA52f3VzbOK+TOWeS8eSrFXnfuKrxElSPc5oLAetfw=="
+    "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=="
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@@ -1491,74 +1546,20 @@
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-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.11.11.tgz",
-      "integrity": "sha512-yPL7+GKFUM157VI1P/4CArCAqYYHwYEwzVFeZlkNf/dTLDP5XEJ9Rp0MZmksvWXfgeXh6DAE7TwqPQy0ZXLCEQ==",
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-        "cfb": "~1.0.1",
-        "codepage": "~1.11.0",
-        "commander": "~2.11.0",
-        "crc-32": "~1.1.1",
+      "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",
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-          "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.1.0.tgz",
-          "integrity": "sha1-A1UaXH8O371PyPoSpoFJeOq2UcM=",
-          "requires": {
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-            "printj": "~1.1.0"
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-          "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.0.1.tgz",
-          "integrity": "sha1-VXuyT2fa54gDeFoVldNlvILF+rQ=",
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-            "printj": "~1.1.0"
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-              "integrity": "sha512-BFnaq5ZOGcDN7FlrtBT4xxkgIToalIIxwjxLWVJ8bGTpe1LroqMiqQXdA7ygc7CRvaYS+9zfPGFnJqFSayx+AA=="
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-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
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-          "requires": {
-            "frac": "~1.1.0"
-          }
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+        "fflate": "^0.3.8",
+        "ssf": "~0.11.2",
+        "wmf": "~1.0.1",
+        "word": "~0.3.0"
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diff --git a/package.json b/package.json
index 56818c4..3972e7f 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "synaptic": "^1.1.4",
     "traceroute-lite": "^0.1.0",
     "ui-leaflet": "^1.0.3",
-    "xlsx": "^0.11.11",
+    "xlsx": "^0.17.0",
     "zingchart": "^2.9.3",
     "zingchart-angularjs": "^1.2.0"
   }