diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c1562be90d40..c704a1ff5ab7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -991,7 +991,7 @@
   "google-maps-fleet_engine-delivery-v1+FILLER": "0.0.0",
   "google-maps-fleet_engine-v1": "0.10.0",
   "google-maps-fleet_engine-v1+FILLER": "0.0.0",
-  "google-maps-isochrones": "0.0.1",
+  "google-maps-isochrones": "0.1.0",
   "google-maps-isochrones+FILLER": "0.0.0",
   "google-maps-isochrones-v1": "0.0.1",
   "google-maps-isochrones-v1+FILLER": "0.0.0",
diff --git a/google-maps-isochrones/.repo-metadata.json b/google-maps-isochrones/.repo-metadata.json
index 6b2f2216747c..e6d6cd3370eb 100644
--- a/google-maps-isochrones/.repo-metadata.json
+++ b/google-maps-isochrones/.repo-metadata.json
@@ -8,7 +8,7 @@
     "name": "isochrones",
     "name_pretty": "Isochrones API",
     "product_documentation": "https://developers.google.com/maps/documentation/isochrones/overview",
-    "release_level": "unreleased",
+    "release_level": "preview",
     "repo": "googleapis/google-cloud-ruby",
     "requires_billing": true,
     "ruby-cloud-description": "isochrones.googleapis.com API.",
diff --git a/google-maps-isochrones/CHANGELOG.md b/google-maps-isochrones/CHANGELOG.md
index f88957a62ba2..a6f616ef9924 100644
--- a/google-maps-isochrones/CHANGELOG.md
+++ b/google-maps-isochrones/CHANGELOG.md
@@ -1,2 +1,9 @@
-# Release History
+# Changelog
 
+### 0.1.0 (2026-07-04)
+
+#### Features
+
+* Initial generation of google-maps-isochrones ([#34700](https://github.com/googleapis/google-cloud-ruby/issues/34700)) 
+
+## Release History
diff --git a/google-maps-isochrones/lib/google/maps/isochrones/version.rb b/google-maps-isochrones/lib/google/maps/isochrones/version.rb
index 1c0eb845f7cc..0fd1cefc5238 100644
--- a/google-maps-isochrones/lib/google/maps/isochrones/version.rb
+++ b/google-maps-isochrones/lib/google/maps/isochrones/version.rb
@@ -20,7 +20,7 @@
 module Google
   module Maps
     module Isochrones
-      VERSION = "0.0.1"
+      VERSION = "0.1.0"
     end
   end
 end