diff --git a/ch7/back/package-lock.json b/ch7/back/package-lock.json
index 7c91783c..5bbf0cc9 100644
--- a/ch7/back/package-lock.json
+++ b/ch7/back/package-lock.json
@@ -4584,9 +4584,9 @@
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@@ -8369,9 +8369,9 @@
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-      "resolved": "https://registry.npmjs.org/vm2/-/vm2-3.9.14.tgz",
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+      "resolved": "https://registry.npmjs.org/vm2/-/vm2-3.9.15.tgz",
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         "acorn-walk": "^8.2.0"