diff --git a/package-lock.json b/package-lock.json
index c2340b4..2fc8feb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -397,9 +397,9 @@
       }
     },
     "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": {
@@ -7423,7 +7423,7 @@
       "dependencies": {
         "event-stream": {
           "version": "3.3.4",
-          "resolved": "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
+          "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
           "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
           "dev": true,
           "requires": {