diff --git a/package-lock.json b/package-lock.json
index 7bd1162..2673c78 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -517,231 +517,18 @@
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         "node-pre-gyp": {
-          "version": "0.11.0",
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+          "version": "0.14.0",
+          "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz",
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@@ -752,202 +539,8 @@
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-              "bundled": true
-            },
-            "yallist": {
-              "version": "3.0.2",
-              "bundled": true
-            }
+            "tar": "^4.4.2"
           }
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-          "bundled": true
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-        "wide-align": {
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@@ -3284,7 +2877,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "requires": {
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@@ -4413,22 +4006,10 @@
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-      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.10.2.tgz",
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-      "requires": {
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-        "mkdirp": "^0.5.1",
-        "needle": "^2.2.0",
-        "nopt": "^4.0.1",
-        "npm-packlist": "^1.1.6",
-        "npmlog": "^4.0.2",
-        "rc": "^1.2.7",
-        "rimraf": "^2.6.1",
-        "semver": "^5.3.0",
-        "tar": "^4"
-      }
+    "node-addon-api": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.0.tgz",
+      "integrity": "sha512-ASCL5U13as7HhOExbT6OlWJJUV/lLzL2voOSP1UVehpRD8FbSrSDjfScK/KwAvVTI5AS6r4VwbOMlIqtvRidnA=="
     },
     "nopt": {
       "version": "4.0.1",
@@ -4542,6 +4123,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -4866,7 +4448,8 @@
         "is-buffer": {
           "version": "1.1.6",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "is-builtin-module": {
           "version": "1.0.0",
@@ -4950,6 +4533,7 @@
           "version": "3.2.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -4996,7 +4580,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
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@@ -5262,7 +4847,8 @@
         "repeat-string": {
           "version": "1.6.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "require-directory": {
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@@ -6905,7 +6491,6 @@
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       "requires": {
         "nan": "~2.10.0",
-        "node-pre-gyp": "^0.10.3",
         "request": "^2.87.0"
       }
     },
diff --git a/package.json b/package.json
index 438f2b5..d4832ec 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "dependencies": {
     "async": "^2.0.1",
-    "bcrypt": "^3.0.2",
+    "bcrypt": "^4.0.0",
     "body-parser": "^1.17.1",
     "cookie-parser": "^1.4.3",
     "csurf": "^1.9.0",