diff --git a/package-lock.json b/package-lock.json
index 8323f96147..4d046a64fa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "@fastify/busboy": "^3.0.0",
         "@firebase/database-compat": "^2.1.4",
         "@firebase/database-types": "^1.0.20",
+        "@google-cloud/firestore": "9.0.0",
         "fast-deep-equal": "^3.1.1",
         "google-auth-library": "^10.6.2",
         "jsonwebtoken": "^9.0.0",
@@ -72,7 +73,7 @@
         "node": ">=22"
       },
       "optionalDependencies": {
-        "@google-cloud/firestore": "^8.7.1",
+        "@google-cloud/firestore": "^9.0.0",
         "@google-cloud/storage": "^7.22.0"
       }
     },
@@ -739,18 +740,32 @@
       }
     },
     "node_modules/@google-cloud/firestore": {
-      "version": "8.7.1",
-      "resolved": "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-8.7.1.tgz",
-      "integrity": "sha512-Hp/WI8sH569ANitsko6RNvCUkzTCYudHoINOkQjiJq2FBG6kKnofBAW7PtS823cu6RMxHqK2RxRcspdjrRpUFA==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-9.0.0.tgz",
+      "integrity": "sha512-EMEIJ4YaH+QotasSq+6mx5nw/99bSdcpG+jqlM7+ViKi3OnvhFKwtlj4dDqNpKt2F7gedcDCwrCWljdJ0ms+KA==",
       "license": "Apache-2.0",
       "optional": true,
       "dependencies": {
+        "@google-cloud/firestore-api": "^0.2.0",
         "@opentelemetry/api": "^1.9.0",
         "fast-deep-equal": "^3.1.3",
         "functional-red-black-tree": "^1.0.1",
         "google-gax": "^5.0.1",
         "protobufjs": "^7.5.3"
       },
+      "engines": {
+        "node": ">=22"
+      }
+    },
+    "node_modules/@google-cloud/firestore-api": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/firestore-api/-/firestore-api-0.2.0.tgz",
+      "integrity": "sha512-wfHJPZmLqzpy6FN6U+7HkkP/AKhGsbHSpEy/qL2TyI3/pKRAvpamQxZ2qvps5hMRgAjfuHCim+oeJj9RveCaqg==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "dependencies": {
+        "google-gax": "^5.0.0"
+      },
       "engines": {
         "node": ">=18"
       }
diff --git a/package.json b/package.json
index 033bc93be6..60ec184a06 100644
--- a/package.json
+++ b/package.json
@@ -215,7 +215,7 @@
     "jwks-rsa": "^4.0.1"
   },
   "optionalDependencies": {
-    "@google-cloud/firestore": "^8.7.1",
+    "@google-cloud/firestore": "^9.0.0",
     "@google-cloud/storage": "^7.22.0"
   },
   "devDependencies": {