diff --git a/package-lock.json b/package-lock.json
index 1a2957d..190d6f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -864,6 +864,23 @@
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@@ -1661,8 +1678,7 @@
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-      "integrity": "sha1-rmh03GaTd4m4B1T/VCjfZoGcpQs=",
-      "dev": true
+      "integrity": "sha1-rmh03GaTd4m4B1T/VCjfZoGcpQs="
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@@ -2010,258 +2026,273 @@
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+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+    },
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
@@ -8033,12 +8129,6 @@
       "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=",
       "dev": true
     },
-    "string_decoder": {
-      "version": "0.10.31",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-      "dev": true
-    },
     "string-length": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-1.0.1.tgz",
@@ -8059,6 +8149,12 @@
         "strip-ansi": "3.0.1"
       }
     },
+    "string_decoder": {
+      "version": "0.10.31",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+      "dev": true
+    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -8655,6 +8751,11 @@
         "source-map": "0.5.7"
       }
     },
+    "whatwg-fetch": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+      "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng=="
+    },
     "whet.extend": {
       "version": "0.9.9",
       "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
@@ -8709,11 +8810,6 @@
       "integrity": "sha1-ZGV4SKIP/F31g6Qq2KJ3tFErvE0=",
       "dev": true
     },
-    "xmlhttprequest": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
-    },
     "xmlhttprequest-ssl": {
       "version": "1.5.3",
       "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
diff --git a/package.json b/package.json
index 3a71c8e..2a2e2d2 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "babel-polyfill": "^6.26.0",
-    "d3": "^4.10.0",
+    "d3": "^7.6.1",
     "eventemitter3": "^2.0.3",
     "gh-pages": "^1.0.0",
     "rxjs": "^5.4.3",