diff --git a/package-lock.json b/package-lock.json
index 7cb184b..7fff96b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,6 +35,41 @@
         "through2": "^2.0.3"
       }
     },
+    "@peculiar/asn1-schema": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@peculiar/asn1-schema/-/asn1-schema-1.1.2.tgz",
+      "integrity": "sha512-ntQ4UnUFgdjs0tfWR6YmEQm/x0glV4OFus/RjxLkaJUKfu/R7VilefBntyUO3MoKWdlCgib30KN+JpCY1HqU2A==",
+      "dev": true,
+      "requires": {
+        "asn1js": "^2.0.26",
+        "tslib": "^1.11.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.11.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+          "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==",
+          "dev": true
+        }
+      }
+    },
+    "@peculiar/json-schema": {
+      "version": "1.1.10",
+      "resolved": "https://registry.npmjs.org/@peculiar/json-schema/-/json-schema-1.1.10.tgz",
+      "integrity": "sha512-kbpnG9CkF1y6wwGkW7YtSA+yYK4X5uk4rAwsd1hxiaYE3Hkw2EsGlbGh/COkMLyFf+Fe830BoFiMSB3QnC/ItA==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.11.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.11.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+          "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==",
+          "dev": true
+        }
+      }
+    },
     "@types/chai": {
       "version": "4.2.7",
       "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.7.tgz",
@@ -484,6 +519,15 @@
         "minimalistic-assert": "^1.0.0"
       }
     },
+    "asn1js": {
+      "version": "2.0.26",
+      "resolved": "https://registry.npmjs.org/asn1js/-/asn1js-2.0.26.tgz",
+      "integrity": "sha512-yG89F0j9B4B0MKIcFyWWxnpZPLaNTjCj4tkE3fjbAoo0qmpGw0PYYqSbX/4ebnd9Icn8ZgK4K1fvDyEtW1JYtQ==",
+      "dev": true,
+      "requires": {
+        "pvutils": "^1.0.17"
+      }
+    },
     "assert": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/assert/-/assert-1.5.0.tgz",
@@ -5515,14 +5559,20 @@
       "dev": true
     },
     "pvtsutils": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.0.9.tgz",
-      "integrity": "sha512-/kDsuCKPqJuIzn37w6+iN+TiSrN+zrwPEd7FjT61oNbRvceGdsS94fMEWZ4/h6QZU5EZhBMiV+79IYedroP/Yw==",
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/pvtsutils/-/pvtsutils-1.0.10.tgz",
+      "integrity": "sha512-8ZKQcxnZKTn+fpDh7wL4yKax5fdl3UJzT8Jv49djZpB/dzPxacyN1Sez90b6YLdOmvIr9vaySJ5gw4aUA1EdSw==",
       "dev": true,
       "requires": {
         "tslib": "^1.10.0"
       }
     },
+    "pvutils": {
+      "version": "1.0.17",
+      "resolved": "https://registry.npmjs.org/pvutils/-/pvutils-1.0.17.tgz",
+      "integrity": "sha512-wLHYUQxWaXVQvKnwIDWFVKDJku9XDCvyhhxoq8dc5MFdIlRenyPI9eSfEtcvgHgD7FlvCyGAlWgOzRnZD99GZQ==",
+      "dev": true
+    },
     "querystring": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
@@ -7060,13 +7110,24 @@
       }
     },
     "webcrypto-core": {
-      "version": "1.0.17",
-      "resolved": "https://registry.npmjs.org/webcrypto-core/-/webcrypto-core-1.0.17.tgz",
-      "integrity": "sha512-7jxTLgtM+TahBPErx/Dd2XvxFDfWJrHxjVeTSvIa4LSgiYrmCPlC2INiAMAfb8MbtHiwJKKqF5sPS0AWNjBbXw==",
+      "version": "1.0.21",
+      "resolved": "https://registry.npmjs.org/webcrypto-core/-/webcrypto-core-1.0.21.tgz",
+      "integrity": "sha512-PcSD8Ga3u344LXEcI/1UbGv3dv5rZ8pzkeJIrMf/JOnEq8H5hSMmdTrRIp2WFYYnMNdKQbP564v560ZmERT2HQ==",
       "dev": true,
       "requires": {
-        "pvtsutils": "^1.0.9",
-        "tslib": "^1.10.0"
+        "@peculiar/asn1-schema": "^1.1.2",
+        "@peculiar/json-schema": "^1.1.10",
+        "asn1js": "^2.0.26",
+        "pvtsutils": "^1.0.10",
+        "tslib": "^1.11.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.11.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+          "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==",
+          "dev": true
+        }
       }
     },
     "webpack": {
diff --git a/package.json b/package.json
index 1feb8f8..141b05c 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "ts-node": "^8.3.0",
     "typescript": "^3.6.0",
     "uglifyjs-webpack-plugin": "^2.2.0",
-    "webcrypto-core": "1.0.17",
+    "webcrypto-core": "1.0.21",
     "webpack": "^4.39.3",
     "webpack-stream": "^5.2.1"
   }