diff --git a/yarn.lock b/yarn.lock
index 6115b01..bb65c7b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -429,9 +429,9 @@ color-name@^1.0.0, color-name@^1.1.1:
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
 color-string@^1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.5.2.tgz#26e45814bc3c9a7cbd6751648a41434514a773a9"
-  integrity sha1-JuRYFLw8mny9Z1FkikFDRRSnc6k=
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.9.1.tgz#4467f9146f036f855b764dfb5bf8582bf342c7a4"
+  integrity sha512-shrVawQFojnZv6xM40anx4CkoDP+fZsw/ZerEMsW/pyzsRbElpsL/DBVW7q3ExxwusdNXI3lXpuhEZkzs8p5Eg==
   dependencies:
     color-name "^1.0.0"
     simple-swizzle "^0.2.2"
@@ -705,7 +705,7 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
 
 es6-promise@^3.0.2:
   version "3.3.1"
-  resolved "http://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
+  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
   integrity sha1-oIzd6EzNvzTQJ6FFG8kdS80ophM=
 
 es6-promise@^4.0.3: