diff --git a/package-lock.json b/package-lock.json
index fd29ada..b9b02ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -74,9 +74,9 @@
             "dev": true
         },
         "acorn": {
-            "version": "6.1.1",
-            "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-            "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+            "version": "6.4.1",
+            "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+            "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
             "dev": true
         },
         "acorn-jsx": {
@@ -3026,7 +3026,7 @@
                 },
                 "rimraf": {
                     "version": "2.4.5",
-                    "resolved": "http://registry.npmjs.org/rimraf/-/rimraf-2.4.5.tgz",
+                    "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.4.5.tgz",
                     "integrity": "sha1-7nEM5dk6j9uFb7Xqj/Di11k0sto=",
                     "optional": true,
                     "requires": {
@@ -3397,7 +3397,7 @@
         },
         "pify": {
             "version": "2.3.0",
-            "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+            "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
             "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
             "dev": true
         },