diff --git a/package-lock.json b/package-lock.json
index f6afdca2a..85f83f835 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4194,12 +4194,6 @@
         "source-map": "~0.6.1"
       },
       "dependencies": {
-        "esprima": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-          "dev": true
-        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -4228,9 +4222,9 @@
       }
     },
     "esprima": {
-      "version": "2.7.2",
-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.2.tgz",
-      "integrity": "sha1-9DvlQ2CZhOrkTJM6xjNSpq818zk="
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
     "esrecurse": {
       "version": "4.3.0",
@@ -6204,12 +6198,12 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.6.1.tgz",
-      "integrity": "sha1-bl/mfYsgXOTSL60Ft3geja3MSzA=",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "requires": {
         "argparse": "^1.0.7",
-        "esprima": "^2.6.0"
+        "esprima": "^4.0.0"
       }
     },
     "jsdom": {
diff --git a/package.json b/package.json
index c42342b08..d6742bdf4 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "author": "Clayton Grassick",
   "license": "LGPL-3.0",
   "dependencies": {
-    "js-yaml": "^3.3.1",
+    "js-yaml": "^3.13.1",
     "lodash": "^3.9.3",
     "minimist": "^1.1.3"
   },