diff --git a/package-lock.json b/package-lock.json
index df4b3f4..3c1dcd9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1460,9 +1460,9 @@
 			}
 		},
 		"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
 		},
 		"acorn-globals": {
diff --git a/package.json b/package.json
index ddd5721..209351c 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
 		"@vue/preload-webpack-plugin": "^1.1.1",
 		"@vue/server-test-utils": "^1.0.0-beta.29",
 		"@vue/test-utils": "^1.0.0-beta.29",
-		"acorn": "^6.2.0",
+		"acorn": "^6.4.1",
 		"babel-core": "^7.0.0-bridge.0",
 		"babel-jest": "^24.8.0",
 		"babel-loader": "^8.0.6",