diff --git a/package-lock.json b/package-lock.json
index 7ae3ec1..36b49b5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3162,7 +3162,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "resolved": false,
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3183,12 +3184,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "resolved": false,
-          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+          "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "resolved": false,
           "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3197,17 +3200,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "resolved": false,
-          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "resolved": false,
-          "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+          "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "resolved": false,
-          "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+          "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3315,7 +3321,8 @@
         "inherits": {
           "version": "2.0.3",
           "resolved": false,
-          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3327,6 +3334,7 @@
           "version": "1.0.0",
           "resolved": false,
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -3341,6 +3349,7 @@
           "version": "3.0.4",
           "resolved": false,
           "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -3436,7 +3445,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "resolved": false,
-          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3448,6 +3458,7 @@
           "version": "1.4.0",
           "resolved": false,
           "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3533,7 +3544,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3569,6 +3581,7 @@
           "version": "1.0.2",
           "resolved": false,
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3588,6 +3601,7 @@
           "version": "3.0.1",
           "resolved": false,
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3616,7 +3630,8 @@
         "wrappy": {
           "version": "1.0.2",
           "resolved": false,
-          "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+          "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+          "optional": true
         }
       }
     },
@@ -6125,6 +6140,7 @@
       "version": "2.9.0",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
       "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+      "optional": true,
       "requires": {
         "safe-buffer": "^5.1.2",
         "yallist": "^3.0.0"
@@ -6133,12 +6149,14 @@
         "safe-buffer": {
           "version": "5.2.1",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+          "optional": true
         },
         "yallist": {
           "version": "3.1.1",
           "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
-          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+          "optional": true
         }
       }
     },
@@ -6184,9 +6202,9 @@
       "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
     },
     "moment-timezone": {
-      "version": "0.5.23",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.23.tgz",
-      "integrity": "sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
         "moment": ">= 2.9.0"
       }
diff --git a/package.json b/package.json
index 04e234c..0ca9520 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "dotenv": "^2.0.0",
     "express": "^4.14.0",
     "moment": "^2.17.1",
-    "moment-timezone": "^0.5.23",
+    "moment-timezone": "^0.5.35",
     "mongoose": "^5.9.16",
     "node-schedule": "^1.2.0",
     "nodemon": "^1.11.0",