diff --git a/yarn.lock b/yarn.lock
index cba0b81..3780af2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1711,7 +1711,7 @@ css-color-names@0.0.4:
 
 css-in-js-utils@^2.0.0:
   version "2.0.1"
-  resolved "http://registry.npmjs.org/css-in-js-utils/-/css-in-js-utils-2.0.1.tgz#3b472b398787291b47cfe3e44fecfdd9e914ba99"
+  resolved "https://registry.npmjs.org/css-in-js-utils/-/css-in-js-utils-2.0.1.tgz#3b472b398787291b47cfe3e44fecfdd9e914ba99"
   dependencies:
     hyphenate-style-name "^1.0.2"
     isobject "^3.0.1"
@@ -2336,8 +2336,8 @@ express@^4.13.3, express@^4.14.0:
     vary "~1.1.0"
 
 extend@~3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
 extglob@^0.3.1:
   version "0.3.2"