diff --git a/play-with-docker/Portus/yarn.lock b/play-with-docker/Portus/yarn.lock
index d72291f4e..972e4d65d 100644
--- a/play-with-docker/Portus/yarn.lock
+++ b/play-with-docker/Portus/yarn.lock
@@ -2181,8 +2181,8 @@ lodash.isarray@^3.0.0:
   resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
 
 lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.2.0, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 longest@^1.0.1:
   version "1.0.1"