diff --git a/src/package-lock.json b/src/package-lock.json
index 9b083b4..57e775e 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -534,11 +534,27 @@
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@@ -2468,6 +2493,12 @@
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@@ -3429,40 +3511,104 @@
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+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz",
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+      "resolved": "https://registry.npmjs.org/new-find-package-json/-/new-find-package-json-1.2.0.tgz",
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@@ -4149,7 +4305,7 @@
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+      "resolved": "https://registry.npmjs.org/socks/-/socks-2.6.2.tgz",
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@@ -4928,6 +5160,15 @@
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+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-3.0.0.tgz",
+      "integrity": "sha512-l7FvfAHlcmulp8kr+flpQZmVwtu7nfRV7NZujtN0OqES8EL4O4e0qqzL0DC5gAvx/ZC/9lk6rhcUwYvkBnBnYA==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.1"
+      }
+    },
     "triple-beam": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz",
@@ -4953,6 +5194,12 @@
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       }
     },
+    "tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==",
+      "dev": true
+    },
     "type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -5056,6 +5303,22 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==",
+      "dev": true
+    },
+    "whatwg-url": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-11.0.0.tgz",
+      "integrity": "sha512-RKT8HExMpoYx4igMiVMY83lN6UeITKJlBQ+vR/8ZJ8OCdSiN3RwCq+9gH0+Xzj0+5IrM6i4j/6LuvzbZIQgEcQ==",
+      "dev": true,
+      "requires": {
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
+      }
+    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -5258,7 +5521,7 @@
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       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
-      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
+      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
       "dev": true,
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diff --git a/src/package.json b/src/package.json
index 51073cd..ea65ab8 100644
--- a/src/package.json
+++ b/src/package.json
@@ -38,7 +38,7 @@
     "mocha-prepare": "^0.1.0",
     "mocha-prepare-promise": "0.0.2",
     "mongo-unit": "^2.0.1",
-    "mongodb-memory-server": "^6.9.6",
+    "mongodb-memory-server": "^8.6.1",
     "mongoose": "^5.13.14",
     "nyc": "^15.1.0",
     "sinon": "^11.1.2",