diff --git a/package-lock.json b/package-lock.json
index fc9c107..ed6c7f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "blockchain-sdk",
-  "version": "1.16.38",
+  "version": "1.16.43",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -344,14 +344,21 @@
       "dev": true
     },
     "ajv": {
-      "version": "6.10.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.1.tgz",
-      "integrity": "sha512-w1YQaVGNC6t2UCPjEawK/vo/dG8OOrVtUmhBT1uJJYxbl5kU2Tj3v6LGqBcsysN1yhuCStJCCA3GqdvKY8sqXQ==",
+      "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-colors": {
@@ -1177,7 +1184,7 @@
     },
     "colors": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
       "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
     },
     "combined-stream": {
@@ -2107,11 +2114,6 @@
         "time-stamp": "^1.0.0"
       }
     },
-    "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",
@@ -5810,7 +5812,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"