diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index f4488a1de7a4..4903e7d04bb0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -403,7 +403,7 @@
   "google-cloud-financial_services+FILLER": "0.0.0",
   "google-cloud-financial_services-v1": "0.4.1",
   "google-cloud-financial_services-v1+FILLER": "0.0.0",
-  "google-cloud-firestore": "3.1.0",
+  "google-cloud-firestore": "3.1.1",
   "google-cloud-firestore+FILLER": "0.0.0",
   "google-cloud-firestore-admin": "0.5.2",
   "google-cloud-firestore-admin+FILLER": "0.0.0",
diff --git a/google-cloud-firestore/CHANGELOG.md b/google-cloud-firestore/CHANGELOG.md
index d8245a8bc1b8..7923280e1332 100644
--- a/google-cloud-firestore/CHANGELOG.md
+++ b/google-cloud-firestore/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 3.1.1 (2025-10-31)
+
+#### Documentation
+
+* add warning about loading unvalidated credentials ([#32121](https://github.com/googleapis/google-cloud-ruby/issues/32121)) 
+
 ### 3.1.0 (2025-08-07)
 
 #### Features
diff --git a/google-cloud-firestore/lib/google/cloud/firestore/version.rb b/google-cloud-firestore/lib/google/cloud/firestore/version.rb
index b0f1d1928491..9503bebe933e 100644
--- a/google-cloud-firestore/lib/google/cloud/firestore/version.rb
+++ b/google-cloud-firestore/lib/google/cloud/firestore/version.rb
@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module Firestore
-      VERSION = "3.1.0".freeze
+      VERSION = "3.1.1".freeze
     end
   end
 end