diff --git a/dev_tools/vscode_extension/package-lock.json b/dev_tools/vscode_extension/package-lock.json
index 2dde07792..6e472a216 100644
--- a/dev_tools/vscode_extension/package-lock.json
+++ b/dev_tools/vscode_extension/package-lock.json
@@ -4752,10 +4752,11 @@
       }
     },
     "node_modules/flatted": {
-      "version": "3.2.7",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.7.tgz",
-      "integrity": "sha512-5nqDSxl8nn5BSNxyR3n4I6eDmbolI6WT+QqR547RwxQapgjQBmtktdP+HTBb/a/zLsbzERTONyUB5pefh5TtjQ==",
-      "dev": true
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
+      "integrity": "sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==",
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/foreground-child": {
       "version": "3.1.1",