diff --git a/package-lock.json b/package-lock.json
index a6b1f9f..285d620 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -623,14 +623,21 @@
       "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
     },
     "ajv": {
-      "version": "6.10.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+        }
       }
     },
     "ansi-regex": {
@@ -2076,11 +2083,6 @@
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
     },
-    "fast-deep-equal": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
-    },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
@@ -2983,6 +2985,12 @@
         "tweetnacl": "^1.0.0",
         "ursa-optional": "~0.9.9",
         "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8"
+      },
+      "dependencies": {
+        "webcrypto-shim": {
+          "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
+          "from": "github:dignifiedquire/webcrypto-shim#master"
+        }
       }
     },
     "libp2p-crypto-secp256k1": {
@@ -3724,6 +3732,10 @@
             "lodash": "^4.17.5",
             "multihashes": "~0.4.13"
           }
+        },
+        "webcrypto-shim": {
+          "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
+          "from": "github:dignifiedquire/webcrypto-shim#master"
         }
       }
     },
@@ -5361,7 +5373,7 @@
         },
         "websocket": {
           "version": "github:web3-js/WebSocket-Node#905deb4812572b344f5801f8c9ce8bb02799d82e",
-          "from": "github:web3-js/WebSocket-Node#polyfill/globalThis",
+          "from": "github:web3-js/WebSocket-Node#905deb4812572b344f5801f8c9ce8bb02799d82e",
           "requires": {
             "debug": "^2.2.0",
             "es5-ext": "^0.10.50",
@@ -5414,10 +5426,6 @@
         }
       }
     },
-    "webcrypto-shim": {
-      "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-      "from": "github:dignifiedquire/webcrypto-shim#master"
-    },
     "websocket": {
       "version": "1.0.29",
       "resolved": "github:web3-js/WebSocket-Node#905deb4812572b344f5801f8c9ce8bb02799d82e",