diff --git a/yarn.lock b/yarn.lock
index 3449bcab..46803ba2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10,9 +10,9 @@
   version "2.5.53"
   resolved "https://registry.yarnpkg.com/@types/jasmine/-/jasmine-2.5.53.tgz#4e0cefad09df5ec48c8dd40433512f84b1568d61"
 
-"@types/node@8.0.20":
-  version "8.0.20"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.20.tgz#65c7375255c24b184c215a5d0b63247c32f01c91"
+"@types/node@8.0.21":
+  version "8.0.21"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.21.tgz#36fd62b3c0ccfde6a24903da49b1fc5199401b13"
 
 "@types/node@^6.0.46":
   version "6.0.68"