diff --git a/package-lock.json b/package-lock.json
index 7a9525f..d5f0b44 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,13 +5,14 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "search-transport",
       "version": "0.1.0",
       "license": "AGPL-3.0",
       "dependencies": {
         "aws-sdk": "^2.858.0",
         "basic-logger": "^0.4.4",
         "dive": "^0.5.0",
-        "mongodb": "3.6.3"
+        "mongodb": "^3.7.3"
       },
       "devDependencies": {
         "@types/mocha": "^8.2.2",
@@ -24,6 +25,9 @@
         "prettier": "2.3.0",
         "ts-node": "^9.1.1",
         "typescript": "^4.2.3"
+      },
+      "engines": {
+        "node": "^14"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -2484,14 +2488,14 @@
       }
     },
     "node_modules/mongodb": {
-      "version": "3.6.3",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.3.tgz",
-      "integrity": "sha512-rOZuR0QkodZiM+UbQE5kDsJykBqWi0CL4Ec2i1nrGrUI3KO11r6Fbxskqmq3JK2NH7aW4dcccBuUujAP0ERl5w==",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.3.tgz",
+      "integrity": "sha512-Psm+g3/wHXhjBEktkxXsFMZvd3nemI0r3IPsE0bU+4//PnvNWKkzhZcEsbPcYiWqe8XqXJJEg4Tgtr7Raw67Yw==",
       "dependencies": {
         "bl": "^2.2.1",
         "bson": "^1.1.4",
         "denque": "^1.4.1",
-        "require_optional": "^1.0.1",
+        "optional-require": "^1.1.8",
         "safe-buffer": "^5.1.2"
       },
       "engines": {
@@ -2668,6 +2672,17 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/optional-require": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
+      "integrity": "sha512-jq83qaUb0wNg9Krv1c5OQ+58EK+vHde6aBPzLvPPqJm89UQWsvSuFy9X/OSNJnFeSOKo7btE0n8Nl2+nE+z5nA==",
+      "dependencies": {
+        "require-at": "^1.0.6"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/optionator": {
       "version": "0.8.3",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
@@ -2932,29 +2947,12 @@
         "node": ">=6.5.0"
       }
     },
-    "node_modules/require_optional": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
-      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
-      "dependencies": {
-        "resolve-from": "^2.0.0",
-        "semver": "^5.1.0"
-      }
-    },
-    "node_modules/require_optional/node_modules/resolve-from": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
-      "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c=",
+    "node_modules/require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g==",
       "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/require_optional/node_modules/semver": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-      "bin": {
-        "semver": "bin/semver"
+        "node": ">=4"
       }
     },
     "node_modules/require-directory": {
@@ -5641,14 +5639,14 @@
       }
     },
     "mongodb": {
-      "version": "3.6.3",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.3.tgz",
-      "integrity": "sha512-rOZuR0QkodZiM+UbQE5kDsJykBqWi0CL4Ec2i1nrGrUI3KO11r6Fbxskqmq3JK2NH7aW4dcccBuUujAP0ERl5w==",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.3.tgz",
+      "integrity": "sha512-Psm+g3/wHXhjBEktkxXsFMZvd3nemI0r3IPsE0bU+4//PnvNWKkzhZcEsbPcYiWqe8XqXJJEg4Tgtr7Raw67Yw==",
       "requires": {
         "bl": "^2.2.1",
         "bson": "^1.1.4",
         "denque": "^1.4.1",
-        "require_optional": "^1.0.1",
+        "optional-require": "^1.1.8",
         "safe-buffer": "^5.1.2",
         "saslprep": "^1.0.0"
       }
@@ -5771,6 +5769,14 @@
         "mimic-fn": "^2.1.0"
       }
     },
+    "optional-require": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
+      "integrity": "sha512-jq83qaUb0wNg9Krv1c5OQ+58EK+vHde6aBPzLvPPqJm89UQWsvSuFy9X/OSNJnFeSOKo7btE0n8Nl2+nE+z5nA==",
+      "requires": {
+        "require-at": "^1.0.6"
+      }
+    },
     "optionator": {
       "version": "0.8.3",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
@@ -5959,26 +5965,10 @@
       "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==",
       "dev": true
     },
-    "require_optional": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
-      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
-      "requires": {
-        "resolve-from": "^2.0.0",
-        "semver": "^5.1.0"
-      },
-      "dependencies": {
-        "resolve-from": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
-          "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
-        },
-        "semver": {
-          "version": "5.7.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
-        }
-      }
+    "require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
     },
     "require-directory": {
       "version": "2.1.1",
diff --git a/package.json b/package.json
index b3d5232..4c20849 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "aws-sdk": "^2.858.0",
     "basic-logger": "^0.4.4",
     "dive": "^0.5.0",
-    "mongodb": "3.6.3"
+    "mongodb": "3.7.3"
   },
   "devDependencies": {
     "@types/mocha": "^8.2.2",