diff --git a/guide/examples/3-hello-world-typescript/yarn.lock b/guide/examples/3-hello-world-typescript/yarn.lock
index 2ca215e..7a4fc09 100644
--- a/guide/examples/3-hello-world-typescript/yarn.lock
+++ b/guide/examples/3-hello-world-typescript/yarn.lock
@@ -3975,16 +3975,16 @@ module-lookup-amd@^6.1.0:
     requirejs-config-file "^3.1.1"
 
 moment-timezone@^0.5.31:
-  version "0.5.31"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.31.tgz#9c40d8c5026f0c7ab46eda3d63e49c155148de05"
-  integrity sha512-+GgHNg8xRhMXfEbv81iDtrVeTcWt0kWmTEY1XQK14dICTXnWJnT0dxdlPspwqF3keKMVPXwayEsk1DI0AA/jdA==
+  version "0.5.37"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.37.tgz#adf97f719c4e458fdb12e2b4e87b8bec9f4eef1e"
+  integrity sha512-uEDzDNFhfaywRl+vwXxffjjq1q0Vzr+fcQpQ1bU0kbzorfS7zVtZnCnGc8mhWmF39d4g4YriF6kwA75mJKE/Zg==
   dependencies:
     moment ">= 2.9.0"
 
 "moment@>= 2.9.0", moment@^2.24.0, moment@^2.25.3:
-  version "2.26.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.26.0.tgz#5e1f82c6bafca6e83e808b30c8705eed0dcbd39a"
-  integrity sha512-oIixUO+OamkUkwjhAVE18rAMfRJNsNe/Stid/gwHSOfHrOtw9EhAY2AHvdKZ/k/MggcYELFCJz/Sn2pL8b8JMw==
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
+  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
 
 ms@0.7.1:
   version "0.7.1"