diff --git a/package-lock.json b/package-lock.json
index 1758302..4964b59 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -209,9 +209,9 @@
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     },
     "bson": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.0.9.tgz",
-      "integrity": "sha512-IQX9/h7WdMBIW/q/++tGd+emQr0XMdeZ6icnT/74Xk9fnabWn+gZgpE+9V+gujL3hhJOoNrnDVY7tWdzc7NUTg=="
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.5.tgz",
+      "integrity": "sha512-kDuEzldR21lHciPQAIulLs1LZlCXdLziXI6Mb/TDkwXhb//UORJNPXgcRs2CuO4H0DcMkpfT3/ySsP3unoZjBg=="
     },
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       "version": "1.2.0",
@@ -232,11 +232,6 @@
       "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
       "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
     },
-    "buffer-shims": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
-      "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E="
-    },
     "bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
@@ -557,11 +552,6 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "es6-promise": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz",
-      "integrity": "sha1-7FYjOGgDKQkgcXDDlEjiREndH8Q="
-    },
     "es6-shim": {
       "version": "0.22.2",
       "resolved": "https://registry.npmjs.org/es6-shim/-/es6-shim-0.22.2.tgz",
@@ -1106,6 +1096,12 @@
         "p-is-promise": "^2.0.0"
       }
     },
+    "memory-pager": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
+      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
+      "optional": true
+    },
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -1175,51 +1171,23 @@
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     "mongodb": {
-      "version": "2.2.36",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-2.2.36.tgz",
-      "integrity": "sha512-P2SBLQ8Z0PVx71ngoXwo12+FiSfbNfGOClAao03/bant5DgLNkOPAck5IaJcEk4gKlQhDEURzfR3xuBG1/B+IA==",
+      "version": "3.1.13",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.13.tgz",
+      "integrity": "sha512-sz2dhvBZQWf3LRNDhbd30KHVzdjZx9IKC0L+kSZ/gzYquCF5zPOgGqRz6sSCqYZtKP2ekB4nfLxhGtzGHnIKxA==",
       "requires": {
-        "es6-promise": "3.2.1",
-        "mongodb-core": "2.1.20",
-        "readable-stream": "2.2.7"
-      },
-      "dependencies": {
-        "process-nextick-args": {
-          "version": "1.0.7",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
-          "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
-        },
-        "readable-stream": {
-          "version": "2.2.7",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.7.tgz",
-          "integrity": "sha1-BwV6y+JGeyIELTb5jFrVBwVOlbE=",
-          "requires": {
-            "buffer-shims": "~1.0.0",
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~1.0.6",
-            "string_decoder": "~1.0.0",
-            "util-deprecate": "~1.0.1"
-          }
-        },
-        "string_decoder": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        }
+        "mongodb-core": "3.1.11",
+        "safe-buffer": "^5.1.2"
       }
     },
     "mongodb-core": {
-      "version": "2.1.20",
-      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-2.1.20.tgz",
-      "integrity": "sha512-IN57CX5/Q1bhDq6ShAR6gIv4koFsZP7L8WOK1S0lR0pVDQaScffSMV5jxubLsmZ7J+UdqmykKw4r9hG3XQEGgQ==",
+      "version": "3.1.11",
+      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.11.tgz",
+      "integrity": "sha512-rD2US2s5qk/ckbiiGFHeu+yKYDXdJ1G87F6CG3YdaZpzdOm5zpoAZd/EKbPmFO6cQZ+XVXBXBJ660sSI0gc6qg==",
       "requires": {
-        "bson": "~1.0.4",
-        "require_optional": "~1.0.0"
+        "bson": "^1.1.0",
+        "require_optional": "^1.0.1",
+        "safe-buffer": "^5.1.2",
+        "saslprep": "^1.0.0"
       }
     },
     "ms": {
@@ -1697,6 +1665,15 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "saslprep": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
+      "optional": true,
+      "requires": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
     "seed-random": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/seed-random/-/seed-random-2.2.0.tgz",
@@ -1786,6 +1763,15 @@
       "resolved": "https://registry.npmjs.org/snowball-stemmer.jsx/-/snowball-stemmer.jsx-0.2.3.tgz",
       "integrity": "sha1-7C1Bq6ZUrZMy0+e2Vc+C6pwfDNw="
     },
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
+    },
     "spawn-command": {
       "version": "0.0.2-1",
       "resolved": "https://registry.npmjs.org/spawn-command/-/spawn-command-0.0.2-1.tgz",
diff --git a/package.json b/package.json
index ae869f1..cc45025 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
       "nlp-toolkit": "^0.2.6",
       "request": "^2.88.0",
       "kerberos": "^1.1.2",
-      "mongodb": "^2.2.33"
+      "mongodb": "^3.1.13"
     }
   }
   
\ No newline at end of file