diff --git a/SDKChatServer/package-lock.json b/SDKChatServer/package-lock.json
index 76acc75..d7d0eb4 100644
--- a/SDKChatServer/package-lock.json
+++ b/SDKChatServer/package-lock.json
@@ -222,14 +222,21 @@
       }
     },
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-      "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+      "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=="
+        }
       }
     },
     "any-promise": {
@@ -473,11 +480,6 @@
       "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",
@@ -868,6 +870,12 @@
         "uuid": "^3.3.2"
       }
     },
+    "require-dir": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/require-dir/-/require-dir-1.2.0.tgz",
+      "integrity": "sha512-LY85DTSu+heYgDqq/mK+7zFHWkttVNRXC9NKcKGyuGLdlsfbjEPrIEYdCVrx6hqnJb+xSu3Lzaoo8VnmOhhjNA==",
+      "dev": true
+    },
     "retry-as-promised": {
       "version": "2.3.2",
       "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-2.3.2.tgz",