diff --git a/package-lock.json b/package-lock.json
index 391406a7..3a67482a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3815,6 +3815,21 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "copy-anything": {
+      "version": "2.0.6",
+      "resolved": "http://173.15.15.82:8081/repository/npm-all/copy-anything/-/copy-anything-2.0.6.tgz",
+      "integrity": "sha512-1j20GZTsvKNkc4BY3NpMOM8tt///wY3FpIzozTOFO2ffuZcV61nojHXVKIy3WM+7ADCy5FVhdZYHYDdgTU0yJw==",
+      "requires": {
+        "is-what": "^3.14.1"
+      },
+      "dependencies": {
+        "is-what": {
+          "version": "3.14.1",
+          "resolved": "http://173.15.15.82:8081/repository/npm-all/is-what/-/is-what-3.14.1.tgz",
+          "integrity": "sha512-sNxgpk9793nzSs7bA6JQJGeIuRBQhAaNGG77kzYQgMkrID+lS6SlK07K5LaptscDlSaIgH+GPFzf+d75FVxozA=="
+        }
+      }
+    },
     "copy-concurrently": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
@@ -10252,29 +10267,36 @@
       }
     },
     "less": {
-      "version": "3.9.0",
-      "resolved": "http://173.15.15.82:8081/repository/npm-all/less/-/less-3.9.0.tgz",
-      "integrity": "sha512-31CmtPEZraNUtuUREYjSqRkeETFdyEHSEPAGq4erDlUXtda7pzNmctdljdIagSb589d/qXGWiiP31R5JVf+v0w==",
+      "version": "3.13.1",
+      "resolved": "http://173.15.15.82:8081/repository/npm-all/less/-/less-3.13.1.tgz",
+      "integrity": "sha512-SwA1aQXGUvp+P5XdZslUOhhLnClSLIjWvJhmd+Vgib5BFIr9lMNlQwmwUNOjXThF/A0x+MCYYPeWEfeWiLRnTw==",
       "requires": {
-        "clone": "^2.1.2",
+        "copy-anything": "^2.0.1",
         "errno": "^0.1.1",
         "graceful-fs": "^4.1.2",
         "image-size": "~0.5.0",
+        "make-dir": "^2.1.0",
         "mime": "^1.4.1",
-        "mkdirp": "^0.5.0",
-        "promise": "^7.1.1",
-        "request": "^2.83.0",
-        "source-map": "~0.6.0"
+        "native-request": "^1.0.5",
+        "source-map": "~0.6.0",
+        "tslib": "^1.10.0"
       },
       "dependencies": {
-        "promise": {
-          "version": "7.3.1",
-          "resolved": "http://173.15.15.82:8081/repository/npm-all/promise/-/promise-7.3.1.tgz",
-          "integrity": "sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==",
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "http://173.15.15.82:8081/repository/npm-all/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
           "optional": true,
           "requires": {
-            "asap": "~2.0.3"
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
           }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "http://173.15.15.82:8081/repository/npm-all/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "optional": true
         }
       }
     },
@@ -11072,6 +11094,12 @@
         }
       }
     },
+    "native-request": {
+      "version": "1.1.0",
+      "resolved": "http://173.15.15.82:8081/repository/npm-all/native-request/-/native-request-1.1.0.tgz",
+      "integrity": "sha512-uZ5rQaeRn15XmpgE0xoPL8YWqcX90VtCFglYwAgkvKM5e8fog+vePLAhHxuuv/gRkrQxIeh5U3q9sMNUrENqWw==",
+      "optional": true
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
diff --git a/package.json b/package.json
index 30dcc9b1..63df3ffb 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "js-base64": "^2.5.2",
     "js2wordcloud": "^1.1.12",
     "katex": "^0.11.1",
-    "less": "^3.9.0",
+    "less": "^3.13.1",
     "less-loader": "^4.1.0",
     "lodash": "^4.17.21",
     "loglevel": "^1.6.8",