diff --git a/package-lock.json b/package-lock.json
index 750d234..0146690 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "lightstreams-js-sdk",
-  "version": "0.18.0",
+  "version": "0.22.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1408,9 +1408,9 @@
       "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
     },
     "ajv": {
-      "version": "6.11.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
-      "integrity": "sha512-nCprB/0syFYy9fVYU1ox1l2KN8S9I+tziH8D4zdZuLT3N6RMlGSGt5FSTpAiHB/Whv8Qs1cWHma1aMKZyaHRKA==",
+      "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": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -1778,14 +1778,6 @@
         "safe-buffer": "^5.1.1"
       }
     },
-    "blob": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/blob/-/blob-0.1.0.tgz",
-      "integrity": "sha512-k+GwK+4Rj+MPNT4qu+y6+kHp+mPmmNd+28zdrIo69QM9UvypK5Vhcw7jnRiY4KaOMAiOdn0NtPQGTb+Ox1Dtng==",
-      "requires": {
-        "esm": "^3.2.25"
-      }
-    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -3155,11 +3147,6 @@
         "estraverse": "^4.1.1"
       }
     },
-    "esm": {
-      "version": "3.2.25",
-      "resolved": "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz",
-      "integrity": "sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA=="
-    },
     "esrecurse": {
       "version": "4.2.1",
       "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.2.1.tgz",