diff --git a/package-lock.json b/package-lock.json
index 33beef56f..6c4cd0b17 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3027,6 +3027,16 @@
             "handlebars": "^4.1.2"
           }
         },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -3645,13 +3655,20 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "3.14.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
-      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.0.0.tgz",
+      "integrity": "sha512-pqon0s+4ScYUvX30wxQi3PogGFAlUyH0awepWvwkj4jD4v+ova3RiYw8bmA6x2rDrEaj8i/oWKoRxpVNW+Re8Q==",
       "dev": true,
       "requires": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
+        "argparse": "^2.0.1"
+      },
+      "dependencies": {
+        "argparse": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
+          "dev": true
+        }
       }
     },
     "jsbn": {
@@ -5429,6 +5446,16 @@
         "tsutils": "^2.29.0"
       },
       "dependencies": {
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
         "semver": {
           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
diff --git a/package.json b/package.json
index 1456d5c7a..4a8de8ad6 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "istanbul-api": "3.0.0",
     "istanbul-reports": "2.2.6",
     "jest": "24.9.0",
-    "js-yaml": "3.14.1",
+    "js-yaml": "4.0.0",
     "json-stable-stringify": "1.0.1",
     "npm-run-all": "4.1.5",
     "request": "2.88.2",