diff --git a/package-lock.json b/package-lock.json
index 6b8aba1..cd02559 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -113,6 +113,85 @@
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+    },
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@ldapjs/attribute/-/attribute-1.0.0.tgz",
+      "integrity": "sha512-ptMl2d/5xJ0q+RgmnqOi3Zgwk/TMJYG7dYMC0Keko+yZU6n+oFM59MjQOUht5pxJeS4FWrImhu/LebX24vJNRQ==",
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+      "resolved": "https://registry.npmjs.org/@ldapjs/change/-/change-1.0.0.tgz",
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+        "@ldapjs/attribute": "1.0.0"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/@ldapjs/controls/-/controls-2.1.0.tgz",
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+      "requires": {
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+        "@ldapjs/protocol": "^1.2.1"
+      },
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+          "resolved": "https://registry.npmjs.org/@ldapjs/asn1/-/asn1-1.2.0.tgz",
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+        }
+      }
+    },
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+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@ldapjs/dn/-/dn-1.1.0.tgz",
+      "integrity": "sha512-R72zH5ZeBj/Fujf/yBu78YzpJjJXG46YHFo5E4W1EqfNpo1UsVPqdLrRMXeKIsJT3x9dJVIfR6OpzgINlKpi0A==",
+      "requires": {
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+        "process-warning": "^2.1.0"
+      }
+    },
+    "@ldapjs/filter": {
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+      "resolved": "https://registry.npmjs.org/@ldapjs/filter/-/filter-2.1.1.tgz",
+      "integrity": "sha512-TwPK5eEgNdUO1ABPBUQabcZ+h9heDORE4V9WNZqCtYLKc06+6+UAJ3IAbr0L0bYTnkkWC/JEQD2F+zAFsuikNw==",
+      "requires": {
+        "@ldapjs/asn1": "2.0.0",
+        "@ldapjs/protocol": "^1.2.1",
+        "process-warning": "^2.1.0"
+      }
+    },
+    "@ldapjs/messages": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@ldapjs/messages/-/messages-1.3.0.tgz",
+      "integrity": "sha512-K7xZpXJ21bj92jS35wtRbdcNrwmxAtPwy4myeh9duy/eR3xQKvikVycbdWVzkYEAVE5Ce520VXNOwCHjomjCZw==",
+      "requires": {
+        "@ldapjs/asn1": "^2.0.0",
+        "@ldapjs/attribute": "^1.0.0",
+        "@ldapjs/change": "^1.0.0",
+        "@ldapjs/controls": "^2.1.0",
+        "@ldapjs/dn": "^1.1.0",
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+      "resolved": "https://registry.npmjs.org/@ldapjs/protocol/-/protocol-1.2.1.tgz",
+      "integrity": "sha512-O89xFDLW2gBoZWNXuXpBSM32/KealKCTb3JGtJdtUQc7RjAk8XzrRgyz02cPAwGKwKPxy0ivuC7UP9bmN87egQ=="
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@@ -145,6 +224,11 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-2.0.1.tgz",
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@@ -392,7 +476,8 @@
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+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
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@@ -405,11 +490,18 @@
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-      "integrity": "sha1-AV2z81PgLlY3d1X5YnQuiYHnu7o=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
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+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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+        }
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@@ -513,17 +606,6 @@
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+    "http_ece": {
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+      "resolved": "https://registry.npmjs.org/http_ece/-/http_ece-1.0.5.tgz",
+      "integrity": "sha1-tgZg+q8UIVEC0Uk+pyDc2StTNy8=",
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@@ -2481,21 +2556,6 @@
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@@ -2505,20 +2565,36 @@
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@@ -2818,12 +2895,6 @@
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@@ -2912,6 +2983,11 @@
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@@ -3111,6 +3146,7 @@
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@@ -4053,7 +4089,8 @@
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@@ -5156,9 +5193,9 @@
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@@ -5282,7 +5319,8 @@
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+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
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@@ -5449,6 +5487,11 @@
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+    "process-warning": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/process-warning/-/process-warning-2.3.2.tgz",
+      "integrity": "sha512-n9wh8tvBe5sFmsqlg+XQhaQLumwpqoAUruLwjCopgTmUBjJ/fjtBsJzKleCaIGBOMXYEhp1YfKl4d7rJ5ZKJGA=="
+    },
     "progress": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.0.tgz",
@@ -5672,6 +5715,15 @@
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       }
     },
+    "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"
+      }
+    },
     "require-uncached": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
@@ -5690,15 +5742,6 @@
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     },
-    "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"
-      }
-    },
     "resolve": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.8.1.tgz",
@@ -5941,12 +5984,6 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
       "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
     },
-    "safe-json-stringify": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/safe-json-stringify/-/safe-json-stringify-1.0.4.tgz",
-      "integrity": "sha1-gaCY9Efku8P/MxKiQ1IbwGDvWRE=",
-      "optional": true
-    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -6595,6 +6632,14 @@
       "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz",
       "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo="
     },
+    "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"
+      }
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -6605,14 +6650,6 @@
         "strip-ansi": "^4.0.0"
       }
     },
-    "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"
-      }
-    },
     "strip-ansi": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -6939,26 +6976,11 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "vasync": {
-      "version": "1.6.4",
-      "resolved": "https://registry.npmjs.org/vasync/-/vasync-1.6.4.tgz",
-      "integrity": "sha1-3+k2Fq0OeugBszKp2Iv8XNyOHR8=",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/vasync/-/vasync-2.2.1.tgz",
+      "integrity": "sha512-Hq72JaTpcTFdWiNA4Y22Amej2GH3BFmBaKPPlDZ4/oC8HNn2ISHLkFrJU4Ds8R3jcUi7oo5Y9jcMHKjES+N9wQ==",
       "requires": {
-        "verror": "1.6.0"
-      },
-      "dependencies": {
-        "extsprintf": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.2.0.tgz",
-          "integrity": "sha1-WtlGwi9bMrp/jNdCZxHG6KP8JSk="
-        },
-        "verror": {
-          "version": "1.6.0",
-          "resolved": "https://registry.npmjs.org/verror/-/verror-1.6.0.tgz",
-          "integrity": "sha1-fROyex+swuLakEBetepuW90lLqU=",
-          "requires": {
-            "extsprintf": "1.2.0"
-          }
-        }
+        "verror": "1.10.0"
       }
     },
     "vcards-js": {
diff --git a/package.json b/package.json
index b7318b6..0f01956 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "jsonwebtoken": "^8.2.0",
     "jszip": "^3.1.5",
     "ldap-filters": "^2.2.2",
-    "ldapjs": "^1.0.2",
+    "ldapjs": "^3.0.7",
     "lodash": "^4.17.10",
     "log4js": "^1.1.1",
     "log4js-node-mongodb": "^2.2.1",