diff --git a/package-lock.json b/package-lock.json
index f8874f5..6fd96ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1317,9 +1317,9 @@
 			}
 		},
 		"acorn": {
-			"version": "5.7.3",
-			"resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-			"integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw=="
+			"version": "5.7.4",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+			"integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg=="
 		},
 		"adjust-sourcemap-loader": {
 			"version": "1.2.0",
@@ -12365,9 +12365,9 @@
 			},
 			"dependencies": {
 				"acorn": {
-					"version": "6.3.0",
-					"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-					"integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+					"version": "6.4.1",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+					"integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
 					"dev": true
 				},
 				"ajv": {