diff --git a/package-lock.json b/package-lock.json
index 0061604..bb4de88 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -136,12 +136,27 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
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@@ -1804,14 +1829,14 @@
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-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
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@@ -2168,7 +2193,7 @@
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@@ -2431,7 +2456,7 @@
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@@ -2669,7 +2694,7 @@
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@@ -2738,51 +2763,141 @@
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@@ -2910,23 +3025,23 @@
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-      "integrity": "sha1-zgtoVbRYU+eRsvzGgARtiCU91/U=",
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-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
-        "statuses": "1.3.1",
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@@ -2975,9 +3090,9 @@
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-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
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@@ -3041,7 +3156,8 @@
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@@ -3092,7 +3208,8 @@
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@@ -3107,6 +3224,7 @@
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@@ -3115,6 +3233,7 @@
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@@ -3123,6 +3242,7 @@
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@@ -3131,7 +3251,8 @@
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@@ -3148,12 +3269,14 @@
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@@ -3161,22 +3284,26 @@
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+      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
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-      "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
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@@ -5869,9 +6030,9 @@
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-      "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M="
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
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@@ -6047,12 +6208,12 @@
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-      "integrity": "sha1-ZXFQT0e7mI7IGAJT+F3X4UlSvew=",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
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-        "ipaddr.js": "1.5.2"
+        "forwarded": "0.2.0",
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@@ -6129,9 +6290,9 @@
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-      "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4="
+      "version": "1.2.1",
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@@ -6509,6 +6670,11 @@
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+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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@@ -6524,41 +6690,68 @@
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+      "resolved": "https://registry.npmjs.org/send/-/send-0.17.2.tgz",
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-        "destroy": "1.0.4",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
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-        "ms": "2.0.0",
-        "on-finished": "2.3.0",
-        "range-parser": "1.2.0",
-        "statuses": "1.3.1"
+        "http-errors": "1.8.1",
+        "mime": "1.6.0",
+        "ms": "2.1.3",
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
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+            "inherits": "2.0.4",
+            "setprototypeof": "1.2.0",
+            "statuses": ">= 1.5.0 < 2",
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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+        },
+        "setprototypeof": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+          "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
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-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
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+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
+      "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
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-        "escape-html": "1.0.3",
-        "parseurl": "1.3.2",
-        "send": "0.16.1"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
+        "send": "0.17.2"
       }
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     "set-immediate-shim": {
@@ -7130,6 +7323,11 @@
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
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       "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
@@ -7364,7 +7562,7 @@
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-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
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diff --git a/package.json b/package.json
index f83d3b1..f32a735 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
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     "cross-env": "^5.1.4",
     "dotenv": "^5.0.1",
-    "express": "^4.15.2",
+    "express": "^4.17.3",
     "graphql": "0.13.0",
     "graphql-date": "^1.0.3",
     "graphql-tools": "2.20.2",