diff --git a/ts/typescript-book/like-button/yarn.lock b/ts/typescript-book/like-button/yarn.lock
index 950468df..24e1c54b 100644
--- a/ts/typescript-book/like-button/yarn.lock
+++ b/ts/typescript-book/like-button/yarn.lock
@@ -2168,9 +2168,9 @@
   integrity sha512-YATxVxgRqNH6nHEIsvg6k2Boc1JHI9ZbH5iWFFv/MTkchz3b1ieGDa5T0a9RznNdI0KhVbdbWSN+KWWrQZRxTw==
 
 "@types/node@*", "@types/node@^20.2.3":
-  version "20.11.17"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.17.tgz#cdd642d0e62ef3a861f88ddbc2b61e32578a9292"
-  integrity sha512-QmgQZGWu1Yw9TDyAP9ZzpFJKynYNeOvwMJmaxABfieQoVoiVOS6MN1WSpqpRcbeA5+RW82kraAVxCCJg+780Qw==
+  version "20.11.19"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.19.tgz#b466de054e9cb5b3831bee38938de64ac7f81195"
+  integrity sha512-7xMnVEcZFu0DikYjWOlRq7NTPETrm7teqUT2WkQjrTIkEgUyyGdWsj/Zg8bEJt5TNklzbPD1X3fqfsHw3SpapQ==
   dependencies:
     undici-types "~5.26.4"
 
diff --git a/ts/typescript-book/random-cat/yarn.lock b/ts/typescript-book/random-cat/yarn.lock
index f3030bd2..11850908 100644
--- a/ts/typescript-book/random-cat/yarn.lock
+++ b/ts/typescript-book/random-cat/yarn.lock
@@ -60,9 +60,9 @@
     tslib "^2.4.0"
 
 "@types/node@^20.0.0":
-  version "20.11.17"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.17.tgz#cdd642d0e62ef3a861f88ddbc2b61e32578a9292"
-  integrity sha512-QmgQZGWu1Yw9TDyAP9ZzpFJKynYNeOvwMJmaxABfieQoVoiVOS6MN1WSpqpRcbeA5+RW82kraAVxCCJg+780Qw==
+  version "20.11.19"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.19.tgz#b466de054e9cb5b3831bee38938de64ac7f81195"
+  integrity sha512-7xMnVEcZFu0DikYjWOlRq7NTPETrm7teqUT2WkQjrTIkEgUyyGdWsj/Zg8bEJt5TNklzbPD1X3fqfsHw3SpapQ==
   dependencies:
     undici-types "~5.26.4"