diff --git a/typescript/hello-world/yarn.lock b/typescript/hello-world/yarn.lock
index 4ec11a9..ef396da 100644
--- a/typescript/hello-world/yarn.lock
+++ b/typescript/hello-world/yarn.lock
@@ -1467,8 +1467,8 @@ locate-path@^2.0.0:
     path-exists "^3.0.0"
 
 lodash@^4.14.0, lodash@^4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
 
 loose-envify@^1.0.0:
   version "1.3.1"