diff --git a/nio-server/javascript/yarn.lock b/nio-server/javascript/yarn.lock
index 77607c8..2751d1e 100644
--- a/nio-server/javascript/yarn.lock
+++ b/nio-server/javascript/yarn.lock
@@ -4636,14 +4636,10 @@ selfsigned@^1.9.1:
   dependencies:
     node-forge "0.7.5"
 
-semver@^5.3.0:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
-
-semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
-  version "5.6.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
-  integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
+semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
+  version "5.7.2"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.2.tgz#48d55db737c3287cd4835e17fa13feace1c41ef8"
+  integrity sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==
 
 send@0.16.2:
   version "0.16.2"