diff --git a/package-lock.json b/package-lock.json
index 9fee2bc..aa772f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -55,7 +55,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
@@ -131,7 +131,7 @@
     },
     "commander": {
       "version": "2.9.0",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
       "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
       "dev": true,
       "requires": {
@@ -561,9 +561,9 @@
       }
     },
     "js-yaml": {
-      "version": "3.12.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
-      "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "dev": true,
       "requires": {
         "argparse": "^1.0.7",
@@ -964,7 +964,7 @@
     },
     "source-map": {
       "version": "0.2.0",
-      "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
       "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
       "dev": true,
       "optional": true,