diff --git a/src/javascript/simplestamp/package-lock.json b/src/javascript/simplestamp/package-lock.json
index 1a3c504..df9c75b 100644
--- a/src/javascript/simplestamp/package-lock.json
+++ b/src/javascript/simplestamp/package-lock.json
@@ -3492,9 +3492,9 @@
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@@ -10103,9 +10103,9 @@
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-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.1.1.tgz",
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+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
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