diff --git a/.changeset/heavy-dingos-obey.md b/.changeset/heavy-dingos-obey.md
new file mode 100644
index 00000000000..0368f49122c
--- /dev/null
+++ b/.changeset/heavy-dingos-obey.md
@@ -0,0 +1,5 @@
+---
+'@firebase/firestore': patch
+---
+
+Update @grpc/proto-loader from v0.6.13 to v0.7.8
diff --git a/packages/firestore/package.json b/packages/firestore/package.json
index ecdebe9d013..12127b2c580 100644
--- a/packages/firestore/package.json
+++ b/packages/firestore/package.json
@@ -97,7 +97,7 @@
     "@firebase/util": "1.9.3",
     "@firebase/webchannel-wrapper": "0.10.1",
     "@grpc/grpc-js": "~1.8.17",
-    "@grpc/proto-loader": "^0.6.13",
+    "@grpc/proto-loader": "^0.7.8",
     "node-fetch": "2.6.7",
     "tslib": "^2.1.0"
   },
diff --git a/yarn.lock b/yarn.lock
index ee6332eb671..4ff933dde34 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2003,7 +2003,7 @@
     "@grpc/proto-loader" "^0.7.0"
     "@types/node" ">=12.12.47"
 
-"@grpc/proto-loader@^0.6.12", "@grpc/proto-loader@^0.6.13", "@grpc/proto-loader@^0.6.4":
+"@grpc/proto-loader@^0.6.12", "@grpc/proto-loader@^0.6.4":
   version "0.6.13"
   resolved "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.6.13.tgz#008f989b72a40c60c96cd4088522f09b05ac66bc"
   integrity sha512-FjxPYDRTn6Ec3V0arm1FtSpmP6V50wuph2yILpyvTKzjc76oDdoihXqM1DzOW5ubvCC8GivfCnNtfaRE8myJ7g==
@@ -2025,6 +2025,17 @@
     protobufjs "^7.0.0"
     yargs "^16.2.0"
 
+"@grpc/proto-loader@^0.7.8":
+  version "0.7.8"
+  resolved "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.7.8.tgz#c050bbeae5f000a1919507f195a1b094e218036e"
+  integrity sha512-GU12e2c8dmdXb7XUlOgYWZ2o2i+z9/VeACkxTA/zzAe2IjclC5PnVL0lpgjhrqfpDYHzM8B1TF6pqWegMYAzlA==
+  dependencies:
+    "@types/long" "^4.0.1"
+    lodash.camelcase "^4.3.0"
+    long "^4.0.0"
+    protobufjs "^7.2.4"
+    yargs "^17.7.2"
+
 "@gulp-sourcemaps/identity-map@^2.0.1":
   version "2.0.1"
   resolved "https://registry.npmjs.org/@gulp-sourcemaps/identity-map/-/identity-map-2.0.1.tgz#a6e8b1abec8f790ec6be2b8c500e6e68037c0019"
@@ -14517,7 +14528,7 @@ protobufjs@6.11.3, protobufjs@^6.11.3:
     "@types/node" ">=13.7.0"
     long "^4.0.0"
 
-protobufjs@7.2.4, protobufjs@^7.0.0:
+protobufjs@7.2.4, protobufjs@^7.0.0, protobufjs@^7.2.4:
   version "7.2.4"
   resolved "https://registry.npmjs.org/protobufjs/-/protobufjs-7.2.4.tgz#3fc1ec0cdc89dd91aef9ba6037ba07408485c3ae"
   integrity sha512-AT+RJgD2sH8phPmCf7OUZR8xGdcJRga4+1cOaXJ64hvcSkVhNcRHOwIxUatPH15+nj59WAGTDv3LSGZPEQbJaQ==
@@ -18655,6 +18666,19 @@ yargs@^17.1.1:
     y18n "^5.0.5"
     yargs-parser "^20.2.2"
 
+yargs@^17.7.2:
+  version "17.7.2"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz#991df39aca675a192b816e1e0363f9d75d2aa269"
+  integrity sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==
+  dependencies:
+    cliui "^8.0.1"
+    escalade "^3.1.1"
+    get-caller-file "^2.0.5"
+    require-directory "^2.1.1"
+    string-width "^4.2.3"
+    y18n "^5.0.5"
+    yargs-parser "^21.1.1"
+
 yargs@^7.1.0:
   version "7.1.2"
   resolved "https://registry.npmjs.org/yargs/-/yargs-7.1.2.tgz#63a0a5d42143879fdbb30370741374e0641d55db"