diff --git a/yarn.lock b/yarn.lock
index 8b24391..4caac59 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -175,26 +175,16 @@ babel-code-frame@^6.16.0:
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-balanced-match@^0.4.1:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
-
 balanced-match@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
+  integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
 bignumber.js@3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-3.1.2.tgz#f3bdb99ad5268a15fc1f0bed2fb018e2693fe236"
 
-brace-expansion@^1.0.0:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.6.tgz#7197d7eaa9b87e648390ea61fc66c84427420df9"
-  dependencies:
-    balanced-match "^0.4.1"
-    concat-map "0.0.1"
-
-brace-expansion@^1.1.7:
+brace-expansion@^1.0.0, brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
   dependencies:
@@ -319,6 +309,7 @@ commondir@^1.0.1:
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
 concat-stream@^1.5.2:
   version "1.6.0"