diff --git a/package-lock.json b/package-lock.json
index 18b7d2e7..5ea0a495 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -272,9 +272,9 @@
       }
     },
     "acorn": {
-      "version": "5.6.2",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.6.2.tgz",
-      "integrity": "sha512-zUzo1E5dI2Ey8+82egfnttyMlMZ2y0D8xOCO3PNPPlYXpl8NZvF6Qk9L9BEtJs+43FqEmfBViDqc5d1ckRDguw==",
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
       "dev": true
     },
     "acorn-jsx": {
@@ -3003,12 +3003,6 @@
         "ws": "^1.1.1"
       },
       "dependencies": {
-        "acorn": {
-          "version": "5.7.3",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-          "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
-          "dev": true
-        },
         "chain-able": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/chain-able/-/chain-able-1.0.1.tgz",