diff --git a/packages/firestore/package.json b/packages/firestore/package.json
index 56f88957734..87faae1f2c9 100644
--- a/packages/firestore/package.json
+++ b/packages/firestore/package.json
@@ -119,7 +119,7 @@
     "@types/json-stable-stringify": "1.0.36",
     "chai-exclude": "2.1.0",
     "json-stable-stringify": "1.1.1",
-    "protobufjs": "7.2.6",
+    "protobufjs": "7.3.0",
     "rollup": "2.79.1",
     "rollup-plugin-copy": "3.5.0",
     "rollup-plugin-copy-assets": "2.0.3",
diff --git a/yarn.lock b/yarn.lock
index 92372aa94a3..12d198c0b39 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14304,10 +14304,10 @@ protobufjs@6.11.3:
     "@types/node" ">=13.7.0"
     long "^4.0.0"
 
-protobufjs@7.2.6, protobufjs@^7.2.4:
-  version "7.2.6"
-  resolved "https://registry.npmjs.org/protobufjs/-/protobufjs-7.2.6.tgz#4a0ccd79eb292717aacf07530a07e0ed20278215"
-  integrity sha512-dgJaEDDL6x8ASUZ1YqWciTRrdOuYNzoOf27oHNfdyvKqHr5i0FV7FSLU+aIeFjyFgVxrpTOtQUi0BLLBymZaBw==
+protobufjs@7.3.0:
+  version "7.3.0"
+  resolved "https://registry.npmjs.org/protobufjs/-/protobufjs-7.3.0.tgz#a32ec0422c039798c41a0700306a6e305b9cb32c"
+  integrity sha512-YWD03n3shzV9ImZRX3ccbjqLxj7NokGN0V/ESiBV5xWqrommYHYiihuIyavq03pWSGqlyvYUFmfoMKd+1rPA/g==
   dependencies:
     "@protobufjs/aspromise" "^1.1.2"
     "@protobufjs/base64" "^1.1.2"
@@ -14341,6 +14341,24 @@ protobufjs@^6.11.3:
     "@types/node" ">=13.7.0"
     long "^4.0.0"
 
+protobufjs@^7.2.4:
+  version "7.2.6"
+  resolved "https://registry.npmjs.org/protobufjs/-/protobufjs-7.2.6.tgz#4a0ccd79eb292717aacf07530a07e0ed20278215"
+  integrity sha512-dgJaEDDL6x8ASUZ1YqWciTRrdOuYNzoOf27oHNfdyvKqHr5i0FV7FSLU+aIeFjyFgVxrpTOtQUi0BLLBymZaBw==
+  dependencies:
+    "@protobufjs/aspromise" "^1.1.2"
+    "@protobufjs/base64" "^1.1.2"
+    "@protobufjs/codegen" "^2.0.4"
+    "@protobufjs/eventemitter" "^1.1.0"
+    "@protobufjs/fetch" "^1.1.0"
+    "@protobufjs/float" "^1.0.2"
+    "@protobufjs/inquire" "^1.1.0"
+    "@protobufjs/path" "^1.1.2"
+    "@protobufjs/pool" "^1.1.0"
+    "@protobufjs/utf8" "^1.1.0"
+    "@types/node" ">=13.7.0"
+    long "^5.0.0"
+
 protocols@^1.1.0, protocols@^1.4.0:
   version "1.4.8"
   resolved "https://registry.npmjs.org/protocols/-/protocols-1.4.8.tgz"