diff --git a/functions/package-lock.json b/functions/package-lock.json
index 84fbc64..818fec5 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -439,7 +439,8 @@
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-      "integrity": "sha1-uveeYubvTCpMC4MSMtr/7CUfnYM="
+      "integrity": "sha1-uveeYubvTCpMC4MSMtr/7CUfnYM=",
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@@ -455,6 +456,7 @@
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       }
@@ -1076,7 +1078,8 @@
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       "resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
-      "integrity": "sha1-C+4AUBiusmDQo6865ljdATbsG5k="
+      "integrity": "sha1-C+4AUBiusmDQo6865ljdATbsG5k=",
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@@ -1337,7 +1340,8 @@
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+      "integrity": "sha512-xPh0Rmt8NE65sNzvyUmWgI1tz3mKq74lGA0mL8LYZcoIzKOzDh6HmrYm3d18k60nHerC8A9Km8kYu87zfSFnLA==",
+      "optional": true
     },
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@@ -1364,7 +1368,8 @@
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-      "integrity": "sha512-T/S49scO8plUiAOA2DBTBG3JHpn1yiw0kRp6dgiZ0v2/6twi5eiB0rHtHFH9ZIrvlWc6+4O+m4zg5+Z833aXgw=="
+      "integrity": "sha512-T/S49scO8plUiAOA2DBTBG3JHpn1yiw0kRp6dgiZ0v2/6twi5eiB0rHtHFH9ZIrvlWc6+4O+m4zg5+Z833aXgw==",
+      "optional": true
     },
     "is-number-object": {
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@@ -1388,7 +1393,8 @@
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       "resolved": "https://registry.npmjs.org/is-set/-/is-set-2.0.1.tgz",
-      "integrity": "sha512-eJEzOtVyenDs1TMzSQ3kU3K+E0GUS9sno+F0OBT97xsgcJsF9nXMBtkT9/kut5JEpM7oL7X/0qxR17K3mcwIAA=="
+      "integrity": "sha512-eJEzOtVyenDs1TMzSQ3kU3K+E0GUS9sno+F0OBT97xsgcJsF9nXMBtkT9/kut5JEpM7oL7X/0qxR17K3mcwIAA==",
+      "optional": true
     },
     "is-stream": {
       "version": "2.0.0",
@@ -1403,7 +1409,8 @@
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       "resolved": "https://registry.npmjs.org/is-string/-/is-string-1.0.5.tgz",
-      "integrity": "sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ=="
+      "integrity": "sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ==",
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@@ -1529,9 +1536,9 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
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     "lodash.at": {
       "version": "4.6.0",