diff --git a/package-lock.json b/package-lock.json
index 21f7ccc2..1e465994 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -580,18 +580,7 @@
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           "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
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-          "dev": true
-        },
-        "js-yaml": {
-          "version": "3.13.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.0.tgz",
-          "integrity": "sha512-pZZoSxcCYco+DIKBTimr67J6Hy+EYGZDY/HCWC+iAEA9h1ByhMXAIVUXMcMFpOCxQ/xjXmPI2MkDL5HRm5eFrQ==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
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       }
     },
@@ -787,12 +776,6 @@
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       "dev": true
     },
-    "esprima": {
-      "version": "2.7.3",
-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
-      "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
-      "dev": true
-    },
     "esutils": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
@@ -1233,8 +1216,7 @@
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           "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-          "dev": true
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
         },
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@@ -1275,16 +1257,6 @@
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-        "js-yaml": {
-          "version": "3.14.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.0.tgz",
-          "integrity": "sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
-        },
         "mkdirp": {
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           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
@@ -1759,13 +1731,21 @@
       "dev": true
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-      "version": "3.5.5",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.5.5.tgz",
-      "integrity": "sha1-A3fDgBfKvHMisNH7zSWkkWQfL74=",
+      "version": "3.14.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.0.tgz",
+      "integrity": "sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==",
       "dev": true,
       "requires": {
-        "argparse": "^1.0.2",
-        "esprima": "^2.6.0"
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      },
+      "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
+        }
       }
     },
     "jsbn": {
@@ -4085,8 +4065,7 @@
         "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
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
         },
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@@ -4101,16 +4080,6 @@
             "once": "^1.3.0",
             "path-is-absolute": "^1.0.0"
           }
-        },
-        "js-yaml": {
-          "version": "3.13.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.0.tgz",
-          "integrity": "sha512-pZZoSxcCYco+DIKBTimr67J6Hy+EYGZDY/HCWC+iAEA9h1ByhMXAIVUXMcMFpOCxQ/xjXmPI2MkDL5HRm5eFrQ==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
         }
       }
     },