diff --git a/package-lock.json b/package-lock.json
index c7f004b9c..089080424 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5973,7 +5973,8 @@
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -6090,7 +6091,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -6132,6 +6134,7 @@
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -6150,6 +6153,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -6250,6 +6254,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -6335,7 +6340,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -6371,6 +6377,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -6434,12 +6441,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -9293,9 +9302,9 @@
       }
     },
     "moment": {
-      "version": "2.22.2",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.22.2.tgz",
-      "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
+      "version": "2.26.0",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.26.0.tgz",
+      "integrity": "sha512-oIixUO+OamkUkwjhAVE18rAMfRJNsNe/Stid/gwHSOfHrOtw9EhAY2AHvdKZ/k/MggcYELFCJz/Sn2pL8b8JMw=="
     },
     "monotone-convex-hull-2d": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 1a171164e..da6b5cc3e 100644
--- a/package.json
+++ b/package.json
@@ -101,7 +101,7 @@
     "knockout": "^3.4.0",
     "lodash": "^4.17.15",
     "marked": "^0.7.0",
-    "moment": "~2.22.0",
+    "moment": "~2.26.0",
     "mousetrap": "~1.6.2",
     "plotly.js": "^1.48.3",
     "stacktrace-js": "~2.0.0",