diff --git a/yarn.lock b/yarn.lock
index f93151d3..fc708260 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8531,9 +8531,9 @@ yargs@~3.10.0:
     decamelize "^1.0.0"
     window-size "0.1.0"
 
-yarn@1.5.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.5.1.tgz#e8680360e832ac89521eb80dad3a7bc27a40bab4"
+yarn@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.6.0.tgz#9cec6f7986dc237d39ec705ce74d95155fe55d4b"
 
 yeast@0.1.2:
   version "0.1.2"