diff --git a/oeveplan/react/package-lock.json b/oeveplan/react/package-lock.json
index 5ad90b7..5bf53bc 100644
--- a/oeveplan/react/package-lock.json
+++ b/oeveplan/react/package-lock.json
@@ -259,9 +259,9 @@
 			}
 		},
 		"acorn": {
-			"version": "6.2.1",
-			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.2.1.tgz",
-			"integrity": "sha512-JD0xT5FCRDNyjDda3Lrg/IxFscp9q4tiYtxE1/nOzlKCk7hIRuYjhq1kCNkbPjMRMZuFq20HNQn1I9k8Oj0E+Q==",
+			"version": "6.4.1",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+			"integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
 			"dev": true
 		},
 		"ajv": {