diff --git a/package-lock.json b/package-lock.json
index 1282962..911fd8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -537,6 +537,11 @@
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@@ -807,7 +812,7 @@
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@@ -1082,48 +1087,6 @@
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@@ -1147,12 +1110,9 @@
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-      "integrity": "sha1-Ef1AxcwpimxyWjX5rPcegqtdMkM=",
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+      "resolved": "https://registry.npmjs.org/content-security-policy-builder/-/content-security-policy-builder-2.1.0.tgz",
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@@ -1597,10 +1557,10 @@
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-      "integrity": "sha1-agdBWgHJH69KMuONnfunH2HLIP4="
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+      "resolved": "https://registry.npmjs.org/dasherize/-/dasherize-2.0.0.tgz",
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@@ -1790,11 +1750,6 @@
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@@ -2368,6 +2323,11 @@
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+      "resolved": "https://registry.npmjs.org/feature-policy/-/feature-policy-0.3.0.tgz",
+      "integrity": "sha512-ZtijOTFN7TzCujt1fnNhfWPFPSHeZkesff9AXZj+UEjYBynWNUIYpC87Ve4wHzyexQsImicLu7WsC2LHq7/xrQ=="
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@@ -2621,11 +2581,6 @@
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@@ -3498,9 +3453,9 @@
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -3837,39 +3792,55 @@
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-        "nocache": "1.0.1",
-        "referrer-policy": "1.0.0",
-        "x-xss-protection": "1.0.0"
+      "version": "3.23.3",
+      "resolved": "https://registry.npmjs.org/helmet/-/helmet-3.23.3.tgz",
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+      "requires": {
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+        "dont-sniff-mimetype": "1.1.0",
+        "feature-policy": "0.3.0",
+        "helmet-crossdomain": "0.4.0",
+        "helmet-csp": "2.10.0",
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+        "hsts": "2.2.0",
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+        },
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+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/dont-sniff-mimetype/-/dont-sniff-mimetype-1.1.0.tgz",
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+        }
       }
     },
+    "helmet-crossdomain": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/helmet-crossdomain/-/helmet-crossdomain-0.4.0.tgz",
+      "integrity": "sha512-AB4DTykRw3HCOxovD1nPR16hllrVImeFp5VBV9/twj66lJ2nU75DP8FPL0/Jp4jj79JhTfG+pFI2MD02kWJ+fA=="
+    },
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-      "integrity": "sha1-CFwDB9V/yWzZczfxcKuL/qmeXfc=",
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/helmet-csp/-/helmet-csp-2.10.0.tgz",
+      "integrity": "sha512-Rz953ZNEFk8sT2XvewXkYN0Ho4GEZdjAZy4stjiEQV3eN7GDxg1QKmYggH7otDyIA7uGA6XnUMVSgeJwbR5X+w==",
       "requires": {
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-        "content-security-policy-builder": "1.0.0",
-        "lodash.reduce": "4.5.0",
-        "platform": "1.3.1"
+        "content-security-policy-builder": "2.1.0",
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-      "resolved": "https://registry.npmjs.org/hide-powered-by/-/hide-powered-by-1.0.0.tgz",
-      "integrity": "sha1-SoWtZYgfYoV/xwr3F0oRhNzM4ys="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/hide-powered-by/-/hide-powered-by-1.1.0.tgz",
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@@ -3899,16 +3870,23 @@
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-      "integrity": "sha1-g/LLOLJs/yHa8m4v9LVxJpId7GU="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/hpkp/-/hpkp-2.0.0.tgz",
+      "integrity": "sha512-TaZpC6cO/k3DFsjfzz1LnOobbVSq+J+7WpJxrVtN4L+8+BPQj8iBDRB2Dx49613N+e7/+ZSQ9ra+xZm7Blf4wg=="
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-      "resolved": "https://registry.npmjs.org/hsts/-/hsts-1.0.0.tgz",
-      "integrity": "sha1-mOEDnverpVQFe2sOMlhMCxFDpBQ=",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/hsts/-/hsts-2.2.0.tgz",
+      "integrity": "sha512-ToaTnQ2TbJkochoVcdXYm4HOCliNozlviNsg+X2XQLQvZNI/kCHR9rZxVYpJB3UPcHz80PgxRyWQ7PdU1r+VBQ==",
       "requires": {
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+        "depd": "2.0.0"
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+        }
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     },
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@@ -3991,11 +3969,6 @@
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@@ -5110,11 +5083,6 @@
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-      "integrity": "sha1-r30uxiEGJEHnfVv0CKHgce+GaRw="
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@@ -5624,19 +5592,9 @@
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-      "resolved": "https://registry.npmjs.org/nocache/-/nocache-1.0.1.tgz",
-      "integrity": "sha1-aVyfc2kmp1VPc2X6JeCHlBBlvTY=",
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-          "integrity": "sha1-4b2Cxqq2ztlluXuIsX7T5SjKGMM="
-        }
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+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/nocache/-/nocache-2.1.0.tgz",
+      "integrity": "sha512-0L9FvHG3nfnnmaEQPjT9xhfN4ISk0A8/2j4M37Np4mcDesJjHgEUfgPhdCyZuFI954tjokaIj/A3NdpFNdEh4Q=="
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@@ -6822,7 +6780,8 @@
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                   "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-                  "dev": true
+                  "dev": true,
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@@ -6868,6 +6827,7 @@
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                       "dev": true,
+                      "optional": true,
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@@ -6879,6 +6839,7 @@
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                           "integrity": "sha1-9psZLT99keOC5Lcb3bd4eGGasMY=",
                           "dev": true,
+                          "optional": true,
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@@ -6887,7 +6848,8 @@
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                               "integrity": "sha1-wCD1KcUoKt/dIz2R1LGBw9aG3Es=",
-                              "dev": true
+                              "dev": true,
+                              "optional": true
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@@ -6896,6 +6858,7 @@
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                           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
                           "dev": true,
+                          "optional": true,
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@@ -6904,7 +6867,8 @@
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@@ -8193,6 +8157,7 @@
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           "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
           "dev": true,
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@@ -9066,7 +9031,8 @@
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@@ -10193,11 +10159,6 @@
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-      "integrity": "sha1-SSIQiSM1vTExwKCN2i2T7DVD5CM="
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@@ -10512,9 +10473,9 @@
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-      "integrity": "sha1-9g7tyS+UKwGmEYEh7JMtZuj9fhQ="
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/referrer-policy/-/referrer-policy-1.2.0.tgz",
+      "integrity": "sha512-LgQJIuS6nAy1Jd88DCQRemyE3mS+ispwlqMk3b0yjZ257fI1v9c+/p6SD5gP5FGyXUIgrNOAfmyioHwZtYv2VA=="
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@@ -12196,9 +12157,9 @@
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-      "integrity": "sha1-iYr7k4abJGYc+cUvnujbjtB2Tdk="
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/x-xss-protection/-/x-xss-protection-1.3.0.tgz",
+      "integrity": "sha512-kpyBI9TlVipZO4diReZMAHWtS0MMa/7Kgx8hwG/EuZLiA6sg4Ah/4TRdASHhRRN3boobzcYgFRUFSgHRge6Qhg=="
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@@ -12323,6 +12284,7 @@
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           "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
           "dev": true,
+          "optional": true,
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@@ -12389,7 +12351,8 @@
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           "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
-          "dev": true
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+          "optional": true
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diff --git a/package.json b/package.json
index c5b8642..9024b11 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
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     "express-session": "^1.13.0",
     "forever": "^2.0.0",
-    "helmet": "^2.0.0",
+    "helmet": "^3.0.0",
     "marked": "0.3.9",
     "mongodb": "^2.1.18",
     "needle": "2.2.4",