diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 7eb37aa0714f..587bda3ada3b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -513,7 +513,7 @@
   "google-cloud-language-v2+FILLER": "0.0.0",
   "google-cloud-license_manager": "0.3.0",
   "google-cloud-license_manager+FILLER": "0.0.0",
-  "google-cloud-license_manager-v1": "0.6.0",
+  "google-cloud-license_manager-v1": "1.0.0",
   "google-cloud-license_manager-v1+FILLER": "0.0.0",
   "google-cloud-life_sciences": "0.8.0",
   "google-cloud-life_sciences+FILLER": "0.0.0",
diff --git a/google-cloud-license_manager-v1/.repo-metadata.json b/google-cloud-license_manager-v1/.repo-metadata.json
index 1205def27385..fd4f925cbece 100644
--- a/google-cloud-license_manager-v1/.repo-metadata.json
+++ b/google-cloud-license_manager-v1/.repo-metadata.json
@@ -8,7 +8,7 @@
     "name": "licensemanager",
     "name_pretty": "License Manager V1 API",
     "product_documentation": "https://cloud.google.com/compute/docs/instances/windows/ms-licensing",
-    "release_level": "preview",
+    "release_level": "stable",
     "repo": "googleapis/google-cloud-ruby",
     "requires_billing": true,
     "ruby-cloud-description": "License Manager is a tool to manage and track third-party licenses on Google Cloud. Note that google-cloud-license_manager-v1 is a version-specific client library. For most uses, we recommend installing the main client library google-cloud-license_manager instead. See the readme for more details.",
diff --git a/google-cloud-license_manager-v1/CHANGELOG.md b/google-cloud-license_manager-v1/CHANGELOG.md
index 1995f911234b..41c0df7d713a 100644
--- a/google-cloud-license_manager-v1/CHANGELOG.md
+++ b/google-cloud-license_manager-v1/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 1.0.0 (2026-07-17)
+
+#### Features
+
+* Release stable version 
+
 ### 0.6.0 (2026-06-11)
 
 #### Features
diff --git a/google-cloud-license_manager-v1/lib/google/cloud/license_manager/v1/version.rb b/google-cloud-license_manager-v1/lib/google/cloud/license_manager/v1/version.rb
index b578aa1da851..b478e0a360ca 100644
--- a/google-cloud-license_manager-v1/lib/google/cloud/license_manager/v1/version.rb
+++ b/google-cloud-license_manager-v1/lib/google/cloud/license_manager/v1/version.rb
@@ -21,7 +21,7 @@ module Google
   module Cloud
     module LicenseManager
       module V1
-        VERSION = "0.6.0"
+        VERSION = "1.0.0"
       end
     end
   end
diff --git a/google-cloud-license_manager-v1/snippets/snippet_metadata_google.cloud.licensemanager.v1.json b/google-cloud-license_manager-v1/snippets/snippet_metadata_google.cloud.licensemanager.v1.json
index b42edb3e2211..010a2563a9b1 100644
--- a/google-cloud-license_manager-v1/snippets/snippet_metadata_google.cloud.licensemanager.v1.json
+++ b/google-cloud-license_manager-v1/snippets/snippet_metadata_google.cloud.licensemanager.v1.json
@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-license_manager-v1",
-    "version": "0.6.0",
+    "version": "1.0.0",
     "language": "RUBY",
     "apis": [
       {