diff --git a/ts/typescript-book/like-button/yarn.lock b/ts/typescript-book/like-button/yarn.lock
index 95b0882a..6ad5ab77 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 "20.9.4"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.9.4.tgz#cc8f970e869c26834bdb7ed480b30ede622d74c7"
-  integrity sha512-wmyg8HUhcn6ACjsn8oKYjkN/zUzQeNtMy44weTJSM6p4MMzEOuKbA3OjJ267uPCOW7Xex9dyrNTful8XTQYoDA==
+  version "20.9.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.9.5.tgz#bb441014bcb91c63742b0e1fe25b902f5d581faa"
+  integrity sha512-Uq2xbNq0chGg+/WQEU0LJTSs/1nKxz6u1iemLcGomkSnKokbW1fbLqc3HOqCf2JP7KjlL4QkS7oZZTrOQHQYgQ==
   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 2c114bb8..f72f241e 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 "20.9.4"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.9.4.tgz#cc8f970e869c26834bdb7ed480b30ede622d74c7"
-  integrity sha512-wmyg8HUhcn6ACjsn8oKYjkN/zUzQeNtMy44weTJSM6p4MMzEOuKbA3OjJ267uPCOW7Xex9dyrNTful8XTQYoDA==
+  version "20.9.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.9.5.tgz#bb441014bcb91c63742b0e1fe25b902f5d581faa"
+  integrity sha512-Uq2xbNq0chGg+/WQEU0LJTSs/1nKxz6u1iemLcGomkSnKokbW1fbLqc3HOqCf2JP7KjlL4QkS7oZZTrOQHQYgQ==
   dependencies:
     undici-types "~5.26.4"