diff --git a/packages/flow-upgrade/yarn.lock b/packages/flow-upgrade/yarn.lock
index 4797e009087..c5c470d1005 100644
--- a/packages/flow-upgrade/yarn.lock
+++ b/packages/flow-upgrade/yarn.lock
@@ -5038,9 +5038,9 @@ xml-name-validator@^2.0.1:
   integrity sha1-TYuPHszTQZqjYgYb7O9RXh5VljU=
 
 y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
-  integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
 yallist@^2.1.2:
   version "2.1.2"