diff --git a/typescript/typescript-book/jest-tutorial/.node-version b/typescript/typescript-book/jest-tutorial/.node-version
index 8ce70308..3516580b 100644
--- a/typescript/typescript-book/jest-tutorial/.node-version
+++ b/typescript/typescript-book/jest-tutorial/.node-version
@@ -1 +1 @@
-20.16.0
+20.17.0