diff --git a/ts/typescript-book/jest-tutorial/.node-version b/ts/typescript-book/jest-tutorial/.node-version
index 4a1f488b..02c8b485 100644
--- a/ts/typescript-book/jest-tutorial/.node-version
+++ b/ts/typescript-book/jest-tutorial/.node-version
@@ -1 +1 @@
-18.17.1
+18.18.0
diff --git a/ts/typescript-book/like-button/.node-version b/ts/typescript-book/like-button/.node-version
index 4a1f488b..02c8b485 100644
--- a/ts/typescript-book/like-button/.node-version
+++ b/ts/typescript-book/like-button/.node-version
@@ -1 +1 @@
-18.17.1
+18.18.0