diff --git a/packages/react-geojson-editor-demo/package-lock.json b/packages/react-geojson-editor-demo/package-lock.json
index 9dea970..4b72be1 100644
--- a/packages/react-geojson-editor-demo/package-lock.json
+++ b/packages/react-geojson-editor-demo/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "react-geojson-editor-demo",
-  "version": "0.1.5",
+  "version": "0.1.7",
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   "requires": true,
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@@ -1028,6 +1028,11 @@
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+      "resolved": "https://registry.npmjs.org/@turf/difference/-/difference-6.0.2.tgz",
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         "@turf/invariant": "6.x",
         "@turf/meta": "6.x",
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+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.0.tgz",
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+          "requires": {
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@@ -1415,6 +1438,11 @@
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+      "resolved": "https://registry.npmjs.org/argv/-/argv-0.0.2.tgz",
+      "integrity": "sha1-7L0W+JSbFXGDcRsb2jNPN4QBhas="
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@@ -2615,7 +2643,8 @@
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@@ -2633,11 +2662,13 @@
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@@ -2650,15 +2681,18 @@
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@@ -2761,7 +2795,8 @@
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@@ -2771,6 +2806,7 @@
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@@ -2783,17 +2819,20 @@
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@@ -2810,6 +2849,7 @@
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@@ -2882,7 +2922,8 @@
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@@ -2892,6 +2933,7 @@
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@@ -2967,7 +3009,8 @@
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@@ -2997,6 +3040,7 @@
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@@ -3014,6 +3058,7 @@
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@@ -3052,11 +3097,13 @@
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@@ -3232,6 +3279,29 @@
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       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
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+    "codecov": {
+      "version": "3.7.0",
+      "resolved": "https://registry.npmjs.org/codecov/-/codecov-3.7.0.tgz",
+      "integrity": "sha512-uIixKofG099NbUDyzRk1HdGtaG8O+PBUAg3wfmjwXw2+ek+PZp+puRvbTohqrVfuudaezivJHFgTtSC3M8MXww==",
+      "requires": {
+        "argv": "0.0.2",
+        "ignore-walk": "3.0.3",
+        "js-yaml": "3.13.1",
+        "teeny-request": "6.0.1",
+        "urlgrey": "0.4.4"
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+            "esprima": "^4.0.0"
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@@ -3462,6 +3532,61 @@
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+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.1.0.tgz",
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+      "requires": {
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+        "lcov-parse": "^1.0.0",
+        "log-driver": "^1.2.7",
+        "minimist": "^1.2.5",
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+          "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
+          "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
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+            "aws4": "^1.8.0",
+            "caseless": "~0.12.0",
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+            "extend": "~3.0.2",
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+            "json-stringify-safe": "~5.0.1",
+            "mime-types": "~2.1.19",
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@@ -4402,9 +4527,9 @@
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@@ -5636,7 +5761,8 @@
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@@ -5654,11 +5780,13 @@
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@@ -5671,15 +5799,18 @@
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@@ -5782,7 +5913,8 @@
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@@ -5792,6 +5924,7 @@
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@@ -5804,17 +5937,20 @@
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         "minimist": {
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@@ -5831,6 +5967,7 @@
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@@ -5903,7 +6040,8 @@
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@@ -5913,6 +6051,7 @@
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           "bundled": true,
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@@ -5988,7 +6127,8 @@
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@@ -6035,6 +6176,7 @@
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@@ -6073,11 +6215,13 @@
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+      "resolved": "https://registry.npmjs.org/gh-pages/-/gh-pages-3.0.0.tgz",
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-        "rimraf": "^2.6.2"
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+        "globby": "^6.1.0"
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+          "requires": {
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+            "jsonfile": "^4.0.0",
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+          "dev": true
         }
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@@ -6599,6 +6758,26 @@
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+      "requires": {
+        "@tootallnate/once": "1",
+        "agent-base": "6",
+        "debug": "4"
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+        "debug": "4"
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@@ -8689,6 +8900,11 @@
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+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/martinez-polygon-clipping/-/martinez-polygon-clipping-0.4.3.tgz",
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@@ -9278,6 +9499,11 @@
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+      "resolved": "https://registry.npmjs.org/react-geojson-editor/-/react-geojson-editor-0.1.7.tgz",
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       "requires": {
-        "@turf/difference": "6.0.1",
+        "@turf/area": "6.0.1",
+        "@turf/difference": "6.0.2",
+        "codecov": "^3.2.0",
+        "coveralls": "^3.0.3",
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@@ -13896,6 +14125,14 @@
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+      "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
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+      "requires": {
+        "stubs": "^3.0.0"
+      }
+    },
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@@ -14005,6 +14242,11 @@
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       "dev": true
     },
+    "stubs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls="
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     },
+    "teeny-request": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-6.0.1.tgz",
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+      "requires": {
+        "http-proxy-agent": "^4.0.0",
+        "https-proxy-agent": "^4.0.0",
+        "node-fetch": "^2.2.0",
+        "stream-events": "^1.0.5",
+        "uuid": "^3.3.2"
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@@ -14717,6 +14971,11 @@
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diff --git a/packages/react-geojson-editor-demo/package.json b/packages/react-geojson-editor-demo/package.json
index 7963d09..6548a72 100644
--- a/packages/react-geojson-editor-demo/package.json
+++ b/packages/react-geojson-editor-demo/package.json
@@ -58,6 +58,6 @@
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   "devDependencies": {
-    "gh-pages": "^2.0.1"
+    "gh-pages": "^3.0.0"
   }
 }