Update dependencies

package-lock.json

@@ -6150,9 +6150,9 @@
       "dev": true
     },
     "gatsby": {
-      "version": "1.9.138",
-      "resolved": "https://registry.npmjs.org/gatsby/-/gatsby-1.9.138.tgz",
-      "integrity": "sha512-BO7aj+0HuYgUFzcHoMerf3WHBWQqZmB+jayqmAOZiVDAKPo1c9kWZfhSdRuRVPkZOg0IO/OiWsiMl6S0cWIFlA==",
+      "version": "1.9.139",
+      "resolved": "https://registry.npmjs.org/gatsby/-/gatsby-1.9.139.tgz",
+      "integrity": "sha512-E6di8ShXSWAnsFv/UcA7rVQZoDT5C6g25CbYStrhDFpxfeZpg317+1QQa7Xab6+fnlVbDnxTrOcJx8RnmYflAg==",
       "requires": {
         "async": "2.6.0",
         "babel-code-frame": "6.26.0",
@@ -6216,7 +6216,7 @@
         "mime": "1.6.0",
         "mitt": "1.1.3",
         "mkdirp": "0.5.1",
-        "moment": "2.19.4",
+        "moment": "2.20.0",
         "node-libs-browser": "2.1.0",
         "normalize-path": "2.1.1",
         "null-loader": "0.1.1",
@@ -9532,9 +9532,9 @@
       }
     },
     "moment": {
-      "version": "2.19.4",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.19.4.tgz",
-      "integrity": "sha512-1xFTAknSLfc47DIxHDUbnJWC+UwgWxATmymaxIPQpmMh7LBm7ZbwVEsuushqwL2GYZU0jie4xO+TK44hJPjNSQ=="
+      "version": "2.20.0",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.20.0.tgz",
+      "integrity": "sha512-r7aEpLB/mhMUiC5ksahDajF/Jr3wS/qLzUnwOJCZyKWF34ibdvW8saujBKfR7aQlov//JgFA38HXOoIt7lXzcA=="
     },
     "mri": {
       "version": "1.1.0",
@@ -16115,7 +16115,7 @@
             "hoek": "4.2.0",
             "isemail": "2.2.1",
             "items": "2.1.1",
-            "moment": "2.19.4",
+            "moment": "2.20.0",
             "topo": "2.0.2"
           }
         },