diff --git a/ch15/15.2/nodebird/package-lock.json b/ch15/15.2/nodebird/package-lock.json
index dffa7cf9..63c0c96b 100644
--- a/ch15/15.2/nodebird/package-lock.json
+++ b/ch15/15.2/nodebird/package-lock.json
@@ -2866,9 +2866,9 @@
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+      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.4.tgz",
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@@ -13026,9 +13026,9 @@
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-      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.2.tgz",
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+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.4.tgz",
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