diff --git a/functions/package-lock.json b/functions/package-lock.json
index b6ccbdf..59201ac 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -117,7 +117,8 @@
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+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78=",
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@@ -232,27 +238,32 @@
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+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E=",
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+      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik=",
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+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0=",
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@@ -1782,11 +1819,13 @@
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@@ -1799,15 +1838,18 @@
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@@ -1847,7 +1889,8 @@
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-          "bundled": true
+          "bundled": true,
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@@ -1867,6 +1910,7 @@
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           "bundled": true,
+          "optional": true,
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@@ -1900,6 +1944,7 @@
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           "bundled": true,
+          "optional": true,
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@@ -1907,7 +1952,8 @@
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+          "bundled": true,
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@@ -1917,6 +1963,7 @@
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           }
@@ -1929,6 +1976,7 @@
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@@ -1941,6 +1989,7 @@
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@@ -1957,13 +2006,15 @@
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           "dependencies": {
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-              "bundled": true
+              "bundled": true,
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@@ -2035,7 +2086,8 @@
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@@ -2045,6 +2097,7 @@
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@@ -2070,7 +2123,8 @@
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@@ -2124,7 +2178,8 @@
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@@ -2154,6 +2209,7 @@
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@@ -2171,6 +2227,7 @@
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@@ -2209,11 +2266,13 @@
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+          "bundled": true,
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+          "bundled": true,
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+      "optional": true,
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@@ -2232,7 +2292,8 @@
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+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "optional": true
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@@ -2346,6 +2407,7 @@
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+      "optional": true,
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@@ -2461,6 +2523,7 @@
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       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+      "optional": true,
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@@ -2560,6 +2623,7 @@
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       "integrity": "sha1-DM2RLEuCcNBfBW+9E4FLU9OCWx4=",
+      "optional": true,
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@@ -2652,9 +2716,9 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.13",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.13.tgz",
+      "integrity": "sha512-vm3/XWXfWtRua0FkUyEHBZy8kCPjErNBT9fJx8Zvs+U6zjqPbTUOpkaoum3O5uiA8sm+yNMHXfYkTUHFoMxFNA=="
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@@ -2665,7 +2729,8 @@
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-      "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY="
+      "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY=",
+      "optional": true
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@@ -2723,7 +2788,8 @@
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+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==",
+      "optional": true
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@@ -2762,7 +2828,8 @@
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-      "integrity": "sha512-ikBcWwyqXQSHKtciCcctu9YfPbFYZ4+gbHEmE0Q8jzcTYQg5dHCr3g2wwAZjPoJfQVXZq6KXAjpXOTf5/cjT7w=="
+      "integrity": "sha512-ikBcWwyqXQSHKtciCcctu9YfPbFYZ4+gbHEmE0Q8jzcTYQg5dHCr3g2wwAZjPoJfQVXZq6KXAjpXOTf5/cjT7w==",
+      "optional": true
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@@ -2838,7 +2905,8 @@
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-      "integrity": "sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA=="
+      "integrity": "sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA==",
+      "optional": true
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@@ -2848,7 +2916,8 @@
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-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+      "optional": true
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@@ -3000,6 +3069,7 @@
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+      "optional": true,
       "requires": {
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         "@protobufjs/base64": "^1.1.2",
@@ -3019,7 +3089,8 @@
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           "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.26.tgz",
-          "integrity": "sha512-nMRqS+mL1TOnIJrL6LKJcNZPB8V3eTfRo9FQA2b5gDvrHurC8XbSA86KNe0dShlEL7ReWJv/OU9NL7Z0dnqWTg=="
+          "integrity": "sha512-nMRqS+mL1TOnIJrL6LKJcNZPB8V3eTfRo9FQA2b5gDvrHurC8XbSA86KNe0dShlEL7ReWJv/OU9NL7Z0dnqWTg==",
+          "optional": true
         }
       }
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@@ -3047,6 +3118,7 @@
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+      "optional": true,
       "requires": {
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         "once": "^1.3.1"
@@ -3056,6 +3128,7 @@
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       "resolved": "https://registry.npmjs.org/pumpify/-/pumpify-1.5.1.tgz",
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+      "optional": true,
       "requires": {
         "duplexify": "^3.6.0",
         "inherits": "^2.0.3",
@@ -3090,7 +3163,7 @@
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     "readable-stream": {
       "version": "1.0.34",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
       "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
       "optional": true,
       "requires": {
@@ -3421,6 +3494,7 @@
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       "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
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+      "optional": true,
       "requires": {
         "stubs": "^3.0.0"
       }
@@ -3428,12 +3502,14 @@
     "stream-shift": {
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       "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
-      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
+      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
+      "optional": true
     },
     "string-width": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+      "optional": true,
       "requires": {
         "code-point-at": "^1.0.0",
         "is-fullwidth-code-point": "^1.0.0",
@@ -3448,7 +3524,7 @@
     },
     "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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@@ -3463,7 +3539,8 @@
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       "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
-      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls="
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls=",
+      "optional": true
     },
     "supports-color": {
       "version": "2.0.0",
@@ -3505,7 +3582,7 @@
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         "fast-deep-equal": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
           "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
           "dev": true
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@@ -3718,7 +3795,8 @@
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       "resolved": "https://registry.npmjs.org/walkdir/-/walkdir-0.0.12.tgz",
-      "integrity": "sha512-HFhaD4mMWPzFSqhpyDG48KDdrjfn409YQuVW7ckZYhW4sE87mYtWifdB/+73RA7+p4s4K18n5Jfx1kHthE1gBw=="
+      "integrity": "sha512-HFhaD4mMWPzFSqhpyDG48KDdrjfn409YQuVW7ckZYhW4sE87mYtWifdB/+73RA7+p4s4K18n5Jfx1kHthE1gBw==",
+      "optional": true
     },
     "websocket-driver": {
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@@ -3793,7 +3871,8 @@
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       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
-      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ="
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
+      "optional": true
     },
     "xmlhttprequest": {
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diff --git a/functions/package.json b/functions/package.json
index 51a8e73..73648c9 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -13,7 +13,7 @@
     "chance": "^1.0.18",
     "firebase-admin": "^7.0.0",
     "firebase-functions": "^2.2.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.13",
     "request": "^2.88.0",
     "request-promise": "^4.2.4",
     "uuid": "^3.3.2"