diff --git a/package-lock.json b/package-lock.json
index 73e9f1f..8e2002a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -235,9 +235,9 @@
 			}
 		},
 		"acorn": {
-			"version": "5.5.3",
-			"resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
-			"integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
+			"version": "5.7.4",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+			"integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
 			"dev": true
 		},
 		"acorn-dynamic-import": {
@@ -8379,12 +8379,6 @@
 				"webpack-sources": "^1.3.0"
 			},
 			"dependencies": {
-				"acorn": {
-					"version": "5.7.3",
-					"resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-					"integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
-					"dev": true
-				},
 				"enhanced-resolve": {
 					"version": "4.1.0",
 					"resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
@@ -8442,9 +8436,9 @@
 			},
 			"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
 				},
 				"ansi-styles": {