diff --git a/functions/package-lock.json b/functions/package-lock.json
index 2d0cce1..e72e872 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -112,7 +112,8 @@
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@@ -173,27 +174,32 @@
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-      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78="
+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78=",
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+      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg==",
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+      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg==",
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-      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A="
+      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A=",
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@@ -202,32 +208,37 @@
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-      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E="
+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E=",
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-      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik="
+      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik=",
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-      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0="
+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0=",
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+      "integrity": "sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q=",
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+      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=",
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+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.0.tgz",
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@@ -240,25 +251,25 @@
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+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.33.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.6.tgz",
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-      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.16.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.3.tgz",
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@@ -266,9 +277,9 @@
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+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.2.tgz",
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@@ -292,14 +303,15 @@
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@@ -329,9 +341,9 @@
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@@ -347,6 +359,7 @@
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-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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@@ -381,12 +396,14 @@
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+          "integrity": "sha1-2CG3E4yhy1gcFymQ7xTbIAtcR0s=",
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+      "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
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       "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
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+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
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-      "integrity": "sha1-nLFpkX7F0SwHNtPoaFdG3xyt93g="
+      "integrity": "sha1-nLFpkX7F0SwHNtPoaFdG3xyt93g=",
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+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
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+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
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@@ -716,6 +748,7 @@
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@@ -729,12 +762,14 @@
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@@ -752,7 +787,8 @@
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@@ -1058,19 +1104,23 @@
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@@ -1078,11 +1128,13 @@
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@@ -1090,57 +1142,69 @@
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@@ -1155,6 +1219,7 @@
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@@ -1166,11 +1231,13 @@
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@@ -1178,6 +1245,7 @@
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           "bundled": true,
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@@ -1185,6 +1253,7 @@
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@@ -1192,37 +1261,44 @@
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@@ -1231,6 +1307,7 @@
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@@ -1238,23 +1315,27 @@
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           "bundled": true,
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@@ -1264,6 +1345,7 @@
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@@ -1280,6 +1362,7 @@
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           "bundled": true,
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@@ -1287,11 +1370,13 @@
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@@ -1300,6 +1385,7 @@
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@@ -1309,30 +1395,36 @@
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@@ -1340,16 +1432,19 @@
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+          "optional": true,
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@@ -1360,6 +1455,7 @@
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@@ -1370,6 +1466,7 @@
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@@ -1383,37 +1480,45 @@
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@@ -1423,6 +1528,7 @@
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@@ -1430,17 +1536,20 @@
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@@ -1453,22 +1562,26 @@
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         "wrappy": {
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+      "optional": true,
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@@ -1565,6 +1679,7 @@
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+      "optional": true,
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@@ -1592,7 +1707,8 @@
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-      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY="
+      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
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@@ -1603,6 +1719,7 @@
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+      "optional": true,
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@@ -1885,12 +2013,14 @@
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+      "integrity": "sha1-aabOicRCpEQDFBrS+bNwvVu29O4=",
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+      "optional": true,
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@@ -1908,17 +2038,20 @@
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     "process-nextick-args": {
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+      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
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@@ -1964,6 +2099,7 @@
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@@ -2156,6 +2292,7 @@
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+      "optional": true,
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@@ -2163,12 +2300,14 @@
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-      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
+      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
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+      "optional": true,
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@@ -2185,6 +2324,7 @@
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+      "optional": true,
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@@ -2192,12 +2332,14 @@
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-      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls="
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls=",
+      "optional": true
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+      "optional": true,
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@@ -2272,7 +2414,8 @@
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-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
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@@ -2282,7 +2425,8 @@
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+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+      "optional": true
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@@ -2292,7 +2436,8 @@
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+      "integrity": "sha512-0Twghia4Z5wDGDYWURlhZmI47GvERMCsXIu0QZWVVZyW9ZjpbbZvD9Zy9M6cWiQQRRbAcYajIyKNavaZZDt1Uw==",
+      "optional": true
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@@ -2311,12 +2456,14 @@
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-      "integrity": "sha1-+OGqHuWlPsW/FR/6CXQqatdpeHY="
+      "integrity": "sha1-+OGqHuWlPsW/FR/6CXQqatdpeHY=",
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       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "optional": true,
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@@ -2325,7 +2472,8 @@
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-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "optional": true
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@@ -2341,7 +2489,8 @@
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-      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ="
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
+      "optional": true
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@@ -2356,17 +2505,20 @@
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-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "optional": true
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+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+      "optional": true
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       "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
+      "optional": true,
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diff --git a/functions/package.json b/functions/package.json
index 35ac824..07a0d4b 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "express": "^4.16.4",
     "firebase-admin": "~7.0.0",
-    "firebase-functions": "^2.2.1"
+    "firebase-functions": "^2.3.1"
   },
   "private": true
 }