diff --git a/yarn.lock b/yarn.lock
index fe9bd19..4a6674d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1970,13 +1970,15 @@ browserify-sign@^4.0.0:
     parse-asn1 "^5.0.0"
 
 browserslist@^4.6.0, browserslist@^4.6.2:
-  version "4.6.4"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.6.4.tgz#fd0638b3f8867fec2c604ed0ed9300379f8ec7c2"
-  integrity sha512-ErJT8qGfRt/VWHSr1HeqZzz50DvxHtr1fVL1m5wf20aGrG8e1ce8fpZ2EjZEfs09DDZYSvtRaDlMpWslBf8Low==
+  version "4.16.6"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.6.tgz#d7901277a5a88e554ed305b183ec9b0c08f66fa2"
+  integrity sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==
   dependencies:
-    caniuse-lite "^1.0.30000981"
-    electron-to-chromium "^1.3.188"
-    node-releases "^1.1.25"
+    caniuse-lite "^1.0.30001219"
+    colorette "^1.2.2"
+    electron-to-chromium "^1.3.723"
+    escalade "^3.1.1"
+    node-releases "^1.1.71"
 
 bs58@^2.0.1:
   version "2.0.1"
@@ -2089,10 +2091,10 @@ camelcase@^5.3.1:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
-caniuse-lite@^1.0.30000981:
-  version "1.0.30000983"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000983.tgz#ab3c70061ca2a3467182a10ac75109b199b647f8"
-  integrity sha512-/llD1bZ6qwNkt41AsvjsmwNOoA4ZB+8iqmf5LVyeSXuBODT/hAMFNVOh84NdUzoiYiSKqo5vQ3ZzeYHSi/olDQ==
+caniuse-lite@^1.0.30001219:
+  version "1.0.30001228"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz#bfdc5942cd3326fa51ee0b42fbef4da9d492a7fa"
+  integrity sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==
 
 caseless@^0.12.0, caseless@~0.12.0:
   version "0.12.0"
@@ -2250,6 +2252,11 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
+  integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
+
 colors@^1.1.2:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.3.3.tgz#39e005d546afe01e01f9c4ca8fa50f686a01205d"
@@ -2755,10 +2762,10 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
-electron-to-chromium@^1.3.188:
-  version "1.3.188"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.188.tgz#e28e1afe4bb229989e280bfd3b395c7ec03c8b7a"
-  integrity sha512-tEQcughYIMj8WDMc59EGEtNxdGgwal/oLLTDw+NEqJRJwGflQvH3aiyiexrWeZOETP4/ko78PVr6gwNhdozvuQ==
+electron-to-chromium@^1.3.723:
+  version "1.3.738"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.738.tgz#aec24b091c82acbfabbdcce08076a703941d17ca"
+  integrity sha512-vCMf4gDOpEylPSLPLSwAEsz+R3ShP02Y3cAKMZvTqule3XcPp7tgc/0ESI7IS6ZeyBlGClE50N53fIOkcIVnpw==
 
 elliptic@6.3.3:
   version "6.3.3"
@@ -2842,6 +2849,11 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+  integrity sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -4455,12 +4467,10 @@ node-http-xhr@^1.3.4:
   resolved "https://registry.yarnpkg.com/node-http-xhr/-/node-http-xhr-1.3.4.tgz#0dbf827c2858f40c57a79375fc4be07c8ff46f55"
   integrity sha512-0bA08/2RKWxw6pMkOVd3KP+0F5+ifQLMMTDxrCgxlgkoU1N8DhCbCSAYEqpgaVYM2smvbVVewiXjW+8AyoLfxQ==
 
-node-releases@^1.1.25:
-  version "1.1.25"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.25.tgz#0c2d7dbc7fed30fbe02a9ee3007b8c90bf0133d3"
-  integrity sha512-fI5BXuk83lKEoZDdH3gRhtsNgh05/wZacuXkgbiYkceE7+QIMXOg98n9ZV7mz27B+kFHnqHcUpscZZlGRSmTpQ==
-  dependencies:
-    semver "^5.3.0"
+node-releases@^1.1.71:
+  version "1.1.72"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.72.tgz#14802ab6b1039a79a0c7d662b610a5bbd76eacbe"
+  integrity sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==
 
 normalize-url@2.0.1:
   version "2.0.1"
@@ -5360,7 +5370,7 @@ seek-bzip@^1.0.5:
   dependencies:
     commander "~2.8.1"
 
-semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0:
+semver@^5.4.1, semver@^5.5.0, semver@^5.6.0:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
   integrity sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==