diff --git a/ui/package-lock.json b/ui/package-lock.json
index 7006c48b6..01fe1bfcc 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -36,12 +36,6 @@
       "resolved": "https://registry.npmjs.org/aframe-orbit-camera-component/-/aframe-orbit-camera-component-1.1.0.tgz",
       "integrity": "sha512-mYswvdWD/HlTJZkemZDCCs5URkg8SaIkPpQL0ivt/YuV/PdbTLU02E8fwymf/MfBuKkRGzRv8nF0ilPeZXvsjg=="
     },
-    "amdefine": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
-      "optional": true
-    },
     "an-array": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/an-array/-/an-array-1.0.0.tgz",
@@ -57,12 +51,6 @@
       "resolved": "https://registry.npmjs.org/as-number/-/as-number-1.0.0.tgz",
       "integrity": "sha1-rLJ+NPj52KsNqeN287iVmGD4CmY="
     },
-    "async": {
-      "version": "0.2.10",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
-      "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
-      "optional": true
-    },
     "buffer-equal": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/buffer-equal/-/buffer-equal-0.0.1.tgz",
@@ -436,12 +424,14 @@
       }
     },
     "handlebars": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-2.0.0.tgz",
-      "integrity": "sha1-bp1/hRSjRn+l6fgswVjs/B1ax28=",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.3.0.tgz",
+      "integrity": "sha512-7XlnO8yBXOdi7AzowjZssQr47Ctidqm7GbgARapOaqSN9HQhlClnOkR9HieGauIT3A8MBC6u9wPCXs97PCYpWg==",
       "requires": {
-        "optimist": "~0.3",
-        "uglify-js": "~2.3"
+        "neo-async": "^2.6.0",
+        "optimist": "^0.6.1",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4"
       }
     },
     "iconv-lite": {
@@ -538,6 +528,11 @@
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
+    "neo-async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw=="
+    },
     "new-array": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/new-array/-/new-array-1.0.0.tgz",
@@ -573,11 +568,19 @@
       }
     },
     "optimist": {
-      "version": "0.3.7",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.3.7.tgz",
-      "integrity": "sha1-yQlBrVnkJzMokjB00s8ufLxuwNk=",
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
+      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
       "requires": {
+        "minimist": "~0.0.1",
         "wordwrap": "~0.0.2"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.10",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
+        }
       }
     },
     "parse-bmfont-ascii": {
@@ -689,13 +692,9 @@
       }
     },
     "source-map": {
-      "version": "0.1.43",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-      "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-      "optional": true,
-      "requires": {
-        "amdefine": ">=0.0.4"
-      }
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
     "strict-uri-encode": {
       "version": "1.1.0",
@@ -749,14 +748,21 @@
       "integrity": "sha1-HZlxsPRNOF/q2/IsnzadtWKRLeE="
     },
     "uglify-js": {
-      "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.3.6.tgz",
-      "integrity": "sha1-+gmEdwtCi3qbKoBY9GNV0U/vIRo=",
+      "version": "3.7.7",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.7.tgz",
+      "integrity": "sha512-FeSU+hi7ULYy6mn8PKio/tXsdSXN35lm4KgV2asx00kzrLU9Pi3oAslcJT70Jdj7PHX29gGUPOT6+lXGBbemhA==",
       "optional": true,
       "requires": {
-        "async": "~0.2.6",
-        "optimist": "~0.3.5",
-        "source-map": "~0.1.7"
+        "commander": "~2.20.3",
+        "source-map": "~0.6.1"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.20.3",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+          "optional": true
+        }
       }
     },
     "url-set-query": {
diff --git a/ui/package.json b/ui/package.json
index 6bc123872..4b742498c 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -12,7 +12,7 @@
     "@ztree/ztree_v3": "3.5.40",
     "jquery": "1.11.1",
     "typeahead.js": "0.10.5",
-    "handlebars": "2.0.0",
+    "handlebars": "4.3.0",
     "x3dom": "1.7.0",
     "aframe-orbit-camera-component": "1.1.0"
   }