diff --git a/package.json b/package.json
index 35a6f6b3..8c1267e2 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "jsdom": "11.7.0",
     "jsdom-global": "3.0.2",
     "lerna": "2.10.0",
-    "less": "3.0.1",
+    "less": "3.13.1",
     "less-loader": "4.1.0",
     "node-dev": "3.1.3",
     "react-docgen-typescript-webpack-plugin": "1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 9f634664..8fa21099 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2923,6 +2923,13 @@ cookies@~0.7.0:
     depd "~1.1.1"
     keygrip "~1.0.2"
 
+copy-anything@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/copy-anything/-/copy-anything-2.0.1.tgz#2afbce6da684bdfcbec93752fa762819cb480d9a"
+  integrity sha512-lA57e7viQHOdPQcrytv5jFeudZZOXuyk47lZym279FiDQ8jeZomXiGuVf6ffMKkJ+3TIai3J1J3yi6M+/4U35g==
+  dependencies:
+    is-what "^3.7.1"
+
 copy-concurrently@^1.0.0:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/copy-concurrently/-/copy-concurrently-1.0.5.tgz#92297398cae34937fcafd6ec8139c18051f0b5e0"
@@ -5444,6 +5451,11 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
+is-what@^3.7.1:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/is-what/-/is-what-3.12.0.tgz#f4405ce4bd6dd420d3ced51a026fb90e03705e55"
+  integrity sha512-2ilQz5/f/o9V7WRWJQmpFYNmQFZ9iM+OXRonZKcYgTkCzjb949Vi4h282PD1UfmgHk666rcWonbRJ++KI41VGw==
+
 is-windows@^1.0.1, is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
@@ -6479,18 +6491,21 @@ less-loader@4.1.0:
     loader-utils "^1.1.0"
     pify "^3.0.0"
 
-less@3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/less/-/less-3.0.1.tgz#ba2fea24a5632ccb8c84230d6043c0bf91855e37"
+less@3.13.1:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/less/-/less-3.13.1.tgz#0ebc91d2a0e9c0c6735b83d496b0ab0583077909"
+  integrity sha512-SwA1aQXGUvp+P5XdZslUOhhLnClSLIjWvJhmd+Vgib5BFIr9lMNlQwmwUNOjXThF/A0x+MCYYPeWEfeWiLRnTw==
+  dependencies:
+    copy-anything "^2.0.1"
+    tslib "^1.10.0"
   optionalDependencies:
     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 "2.81.0"
-    source-map "^0.5.3"
+    native-request "^1.0.5"
+    source-map "~0.6.0"
 
 leven@^2.1.0:
   version "2.1.0"
@@ -6822,6 +6837,14 @@ make-dir@^1.0.0, make-dir@^1.1.0:
   dependencies:
     pify "^3.0.0"
 
+make-dir@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"
+  integrity sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==
+  dependencies:
+    pify "^4.0.1"
+    semver "^5.6.0"
+
 make-error@^1.1.1, make-error@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.4.tgz#19978ed575f9e9545d2ff8c13e33b5d18a67d535"
@@ -7231,6 +7254,11 @@ nanotiming@^7.2.0:
   dependencies:
     nanoscheduler "^1.0.2"
 
+native-request@^1.0.5:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/native-request/-/native-request-1.0.8.tgz#8f66bf606e0f7ea27c0e5995eb2f5d03e33ae6fb"
+  integrity sha512-vU2JojJVelUGp6jRcLwToPoWGxSx23z/0iX+I77J3Ht17rf2INGjrhOoQnjVo60nQd8wVsgzKkPfRXBiVdD2ag==
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -7880,6 +7908,11 @@ pify@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
 
+pify@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-4.0.1.tgz#4b2cd25c50d598735c50292224fd8c6df41e3231"
+  integrity sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==
+
 pinkie-promise@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
@@ -9202,6 +9235,11 @@ semver@5.4.1:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
+semver@^5.6.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
+
 send@0.16.2:
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
@@ -9443,7 +9481,7 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
+source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -10013,6 +10051,11 @@ ts-node@5.0.1:
     source-map-support "^0.5.3"
     yn "^2.0.0"
 
+tslib@^1.10.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
+
 tslib@^1.8.0, tslib@^1.8.1:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"