diff --git a/.changeset/dependabot-abf1a7a.md b/.changeset/dependabot-abf1a7a.md
new file mode 100644
index 0000000000..f7d57cdcb2
--- /dev/null
+++ b/.changeset/dependabot-abf1a7a.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend': patch
+---
+
+build(deps): bump `@google-cloud/firestore` from 4.15.1 to 5.0.2
diff --git a/plugins/auth-backend/package.json b/plugins/auth-backend/package.json
index ac8618baf3..1b23c0f59c 100644
--- a/plugins/auth-backend/package.json
+++ b/plugins/auth-backend/package.json
@@ -36,7 +36,7 @@
     "@backstage/config": "^0.1.13-next.0",
     "@backstage/errors": "^0.2.0",
     "@backstage/types": "^0.1.1",
-    "@google-cloud/firestore": "^4.15.1",
+    "@google-cloud/firestore": "^5.0.2",
     "@types/express": "^4.17.6",
     "@types/passport": "^1.0.3",
     "compression": "^1.7.4",
diff --git a/yarn.lock b/yarn.lock
index 0922763fe5..0eaea4125c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3125,10 +3125,10 @@
   dependencies:
     google-gax "^2.12.0"
 
-"@google-cloud/firestore@^4.15.1":
-  version "4.15.1"
-  resolved "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-4.15.1.tgz#ed764fc76823ce120e68fe8c27ef1edd0650cd93"
-  integrity sha512-2PWsCkEF1W02QbghSeRsNdYKN1qavrHBP3m72gPDMHQSYrGULOaTi7fSJquQmAtc4iPVB2/x6h80rdLHTATQtA==
+"@google-cloud/firestore@^5.0.2":
+  version "5.0.2"
+  resolved "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-5.0.2.tgz#36923fde45987f928a220d347f341c5602f9e340"
+  integrity sha512-xlGcNYaW0nvUMzNn2+pLfbEBVt6oysVqtM89faMgZWkWfEtvIQGS0h5PRdLlcqufNzRCX3yIGv29Pb+03ys+VA==
   dependencies:
     fast-deep-equal "^3.1.1"
     functional-red-black-tree "^1.0.1"