diff --git a/package-lock.json b/package-lock.json
index ebc973a6ce..be4ad12879 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -88,576 +88,43 @@
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@@ -7105,18 +6812,11 @@
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-      "resolved": "https://registry.npmjs.org/split-array-stream/-/split-array-stream-2.0.0.tgz",
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+      "dev": true,
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@@ -7146,6 +6846,7 @@
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       "integrity": "sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=",
+      "dev": true,
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@@ -7155,6 +6856,7 @@
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           "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+          "dev": true,
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@@ -7229,16 +6931,6 @@
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-      "resolved": "https://registry.npmjs.org/stringifier/-/stringifier-1.3.0.tgz",
-      "integrity": "sha1-3vGDQvaTPbDy2/yaoCF1tEjBeVk=",
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@@ -7292,8 +6984,7 @@
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-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
-      "dev": true
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
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@@ -7485,6 +7176,7 @@
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       "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
+      "dev": true,
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@@ -7493,6 +7185,7 @@
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           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+          "dev": true,
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@@ -7503,6 +7196,7 @@
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+      "dev": true,
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@@ -7514,6 +7208,7 @@
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       "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
+      "dev": true,
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@@ -7527,11 +7222,6 @@
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-    "traverse": {
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-      "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.6.6.tgz",
-      "integrity": "sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc="
-    },
     "trim-right": {
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       "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
@@ -7727,11 +7417,6 @@
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       "dev": true
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-    "type-name": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/type-name/-/type-name-2.0.2.tgz",
-      "integrity": "sha1-7+fUEj2KxSr/9/QMfk3sUmYAj7Q="
-    },
     "typedarray": {
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       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
@@ -7826,6 +7511,7 @@
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       "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "dev": true,
       "requires": {
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         "get-value": "2.0.6",
@@ -7837,6 +7523,7 @@
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           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+          "dev": true,
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@@ -7845,6 +7532,7 @@
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           "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
           "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
+          "dev": true,
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@@ -7868,20 +7556,11 @@
         "crypto-random-string": "1.0.0"
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-    "universal-deep-strict-equal": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/universal-deep-strict-equal/-/universal-deep-strict-equal-1.2.2.tgz",
-      "integrity": "sha1-DaSsL3PP95JMgfpN4BjKViyisKc=",
-      "requires": {
-        "array-filter": "1.0.0",
-        "indexof": "0.0.1",
-        "object-keys": "1.0.11"
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     "unset-value": {
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       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
       "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
+      "dev": true,
       "requires": {
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@@ -7891,6 +7570,7 @@
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           "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
           "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+          "dev": true,
           "requires": {
             "get-value": "2.0.6",
             "has-values": "0.1.4",
@@ -7901,6 +7581,7 @@
               "version": "2.1.0",
               "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
               "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+              "dev": true,
               "requires": {
                 "isarray": "1.0.0"
               }
@@ -7910,19 +7591,22 @@
         "has-values": {
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           "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
-          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E="
+          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
+          "dev": true
         }
       }
     },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
-      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI="
+      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
+      "dev": true
     },
     "use": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.0.tgz",
       "integrity": "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==",
+      "dev": true,
       "requires": {
         "kind-of": "6.0.2"
       }
@@ -8074,6 +7758,11 @@
         "source-map": "0.5.7"
       }
     },
+    "walkdir": {
+      "version": "0.0.12",
+      "resolved": "https://registry.npmjs.org/walkdir/-/walkdir-0.0.12.tgz",
+      "integrity": "sha512-HFhaD4mMWPzFSqhpyDG48KDdrjfn409YQuVW7ckZYhW4sE87mYtWifdB/+73RA7+p4s4K18n5Jfx1kHthE1gBw=="
+    },
     "websocket-driver": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.0.tgz",
@@ -8106,7 +7795,6 @@
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-      "dev": true,
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@@ -8176,13 +7864,13 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
       "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
       "requires": {
-        "camelcase": "2.1.1",
-        "cliui": "3.2.0",
-        "decamelize": "1.2.0",
-        "os-locale": "1.4.0",
-        "string-width": "1.0.2",
-        "window-size": "0.1.4",
-        "y18n": "3.2.1"
+        "camelcase": "^2.0.1",
+        "cliui": "^3.0.3",
+        "decamelize": "^1.1.1",
+        "os-locale": "^1.4.0",
+        "string-width": "^1.0.1",
+        "window-size": "^0.1.4",
+        "y18n": "^3.2.0"
       }
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     "yargs-parser": {
diff --git a/package.json b/package.json
index 3f58498d68..fc80d46d2d 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   "dependencies": {
     "@firebase/app": "^0.3.1",
     "@firebase/database": "^0.3.1",
-    "@google-cloud/firestore": "^0.15.2",
+    "@google-cloud/firestore": "^0.19.0",
     "@google-cloud/storage": "^1.6.0",
     "@types/google-cloud__storage": "^1.1.7",
     "@types/node": "^8.0.53",