diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 53713bf38f34..8aa5629f6e42 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -755,7 +755,7 @@
   "google-cloud-scheduler-v1+FILLER": "0.0.0",
   "google-cloud-scheduler-v1beta1": "0.20.0",
   "google-cloud-scheduler-v1beta1+FILLER": "0.0.0",
-  "google-cloud-secret_manager": "2.3.0",
+  "google-cloud-secret_manager": "3.0.0",
   "google-cloud-secret_manager+FILLER": "0.0.0",
   "google-cloud-secret_manager-v1": "2.0.0",
   "google-cloud-secret_manager-v1+FILLER": "0.0.0",
diff --git a/google-cloud-secret_manager/CHANGELOG.md b/google-cloud-secret_manager/CHANGELOG.md
index f73b466a3878..589ecfa3710a 100644
--- a/google-cloud-secret_manager/CHANGELOG.md
+++ b/google-cloud-secret_manager/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### 3.0.0 (2026-11-09)
+
+#### Features
+
+* require google-cloud-secret_manager-v1 ~> 2.0 ([#36695](https://github.com/googleapis/google-cloud-ruby/issues/36695)) 
+
 ### 2.3.0 (2026-11-04)
 
 #### Features
diff --git a/google-cloud-secret_manager/lib/google/cloud/secret_manager/version.rb b/google-cloud-secret_manager/lib/google/cloud/secret_manager/version.rb
index 5636361a63f4..acea685c0764 100644
--- a/google-cloud-secret_manager/lib/google/cloud/secret_manager/version.rb
+++ b/google-cloud-secret_manager/lib/google/cloud/secret_manager/version.rb
@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module SecretManager
-      VERSION = "2.3.0".freeze
+      VERSION = "3.0.0".freeze
     end
   end
 end
diff --git a/librarian.yaml b/librarian.yaml
index 4a7e510a82c8..eaa2abd5eaa7 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -2985,7 +2985,7 @@ libraries:
           ruby_cloud_opts:
             ruby-cloud-env-prefix: SCHEDULER
   - name: google-cloud-secret_manager
-    version: 2.3.0
+    version: 3.0.0
     apis:
       - path: google/cloud/secretmanager/v1
         ruby: