diff --git a/yarn.lock b/yarn.lock
index 95dedeb..5909ebf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3084,16 +3084,18 @@ less-loader@^5.0.0:
     pify "^4.0.1"
 
 less@^3.0.4:
-  version "3.10.3"
-  resolved "https://registry.yarnpkg.com/less/-/less-3.10.3.tgz#417a0975d5eeecc52cff4bcfa3c09d35781e6792"
+  version "3.11.3"
+  resolved "https://registry.yarnpkg.com/less/-/less-3.11.3.tgz#2d853954fcfe0169a8af869620bcaa16563dcc1c"
+  integrity sha512-VkZiTDdtNEzXA3LgjQiC3D7/ejleBPFVvq+aRI9mIj+Zhmif5TvFPM244bT4rzkvOCvJ9q4zAztok1M7Nygagw==
   dependencies:
     clone "^2.1.2"
+    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 "^2.83.0"
     source-map "~0.6.0"
@@ -3191,7 +3193,7 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
-make-dir@^2.0.0:
+make-dir@^2.0.0, make-dir@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"
   dependencies:
@@ -5038,9 +5040,10 @@ trim-newlines@^1.0.0:
   dependencies:
     glob "^7.1.2"
 
-tslib@^1.9.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
+tslib@^1.10.0, tslib@^1.9.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
+  integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
 tty-browserify@0.0.0:
   version "0.0.0"