diff --git a/package-lock.json b/package-lock.json
index b0f8ffd..d3198b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -372,9 +372,9 @@
       }
     },
     "acorn": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
-      "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==",
+      "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": {
@@ -4692,7 +4692,6 @@
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
-          "dev": true,
           "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
@@ -4890,9 +4889,7 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true,
-          "bundled": true
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5043,9 +5040,7 @@
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true,
-          "optional": true,          
-          "bundled": true
+          "optional": true
         }
       }
     },