diff --git a/package-lock.json b/package-lock.json
index 7749790..550426e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13532,16 +13532,16 @@
       "dev": true
     },
     "moment": {
-      "version": "2.20.1",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.20.1.tgz",
-      "integrity": "sha512-Yh9y73JRljxW5QxN08Fner68eFLxM5ynNOAw2LbIB1YAGeQzZT8QFSUvkAz609Zf+IHhhaUxqZK8dG3W/+HEvg=="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "moment-timezone": {
-      "version": "0.5.14",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.14.tgz",
-      "integrity": "sha1-TrOP+VOLgBCLpGekWPPtQmjM/LE=",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
-        "moment": "2.20.1"
+        "moment": ">= 2.9.0"
       }
     },
     "monotone-convex-hull-2d": {
diff --git a/package.json b/package.json
index 677e9a1..4701d99 100644
--- a/package.json
+++ b/package.json
@@ -253,7 +253,7 @@
     "material-ui": "^1.0.0-beta.31",
     "material-ui-icons": "^1.0.0-beta.17",
     "minimist": "1.2.0",
-    "moment-timezone": "^0.5.14",
+    "moment-timezone": "^0.5.35",
     "ndarray": "^1.0.18",
     "ndarray-linear-interpolate": "^1.0.0",
     "ndarray-unpack": "^1.0.0",