diff --git a/yarn.lock b/yarn.lock
index 5bb72e40fd3a..661090acd047 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1679,7 +1679,6 @@ eslint-plugin-no-for-of-loops@^1.0.0:
 
 "eslint-plugin-react-internal@link:./scripts/eslint-rules":
   version "0.0.0"
-  uid ""
 
 eslint-plugin-react@^6.7.1:
   version "6.10.3"
@@ -1872,8 +1871,9 @@ extend-shallow@^3.0.0, extend-shallow@^3.0.2:
     is-extendable "^1.0.1"
 
 extend@^3.0.0, extend@~3.0.0, extend@~3.0.1:
-  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"
+  integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
 external-editor@^2.0.4:
   version "2.1.0"
@@ -4470,6 +4470,14 @@ sax@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
+scheduler@^0.11.0:
+  version "0.11.3"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.11.3.tgz#b5769b90cf8b1464f3f3cfcafe8e3cd7555a2d6b"
+  integrity sha512-i9X9VRRVZDd3xZw10NY5Z2cVMbdYg6gqFecfj79USv1CFN+YrJ3gIPRKf1qlY+Sxly4djoKdfx1T+m9dnRB8kQ==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 "semver@2 || 3 || 4 || 5", semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"