diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac6e642..b18b704 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+<a name="v1.66.0-1"></a>
+## [v1.66.0-1] - 2024-09-19
+### Flattened schema version 67 (1.66.0, rel-1.66); UI5 version >= 1.129
+
 <a name="v1.65.0-1"></a>
 ## [v1.65.0-1] - 2024-06-27
 ### Flattened schema version 66 (1.65.0, rel-1.65); UI5 version >= 1.126
diff --git a/mapping.json b/mapping.json
index fcc4bc4..cf3f5c5 100644
--- a/mapping.json
+++ b/mapping.json
@@ -1,5 +1,6 @@
 {
-    "latest": "1.65.0",
+    "latest": "1.66.0",
+    "1.129": "1.66.0",
     "1.126": "1.65.0",
     "1.124": "1.64.0",
     "1.123": "1.63.0",
diff --git a/package.json b/package.json
index e69c34b..648f66d 100644
--- a/package.json
+++ b/package.json
@@ -1 +1 @@
-{"name":"@ui5/manifest","version":"1.65.0","description":"This project contains the flattend json schema for the ui5 manifest.","repository":{"type":"git","url":"git+https://github.com/SAP/ui5-manifest.git"},"scripts":{"version":"git-chglog --next-tag v$npm_package_version -o CHANGELOG.md && git add CHANGELOG.md","prepublishOnly":"git push --follow-tags","release-note":"git-chglog -c .chglog/release-config.yml v$npm_package_version"},"keywords":["ui5","manifest"],"author":"SAP SE","license":"Apache-2.0","bugs":{"url":"https://github.com/SAP/ui5-manifest/issues"},"homepage":"https://github.com/SAP/ui5-manifest#readme"}
\ No newline at end of file
+{"name":"@ui5/manifest","version":"1.66.0","description":"This project contains the flattend json schema for the ui5 manifest.","repository":{"type":"git","url":"git+https://github.com/SAP/ui5-manifest.git"},"scripts":{"version":"git-chglog --next-tag v$npm_package_version -o CHANGELOG.md && git add CHANGELOG.md","prepublishOnly":"git push --follow-tags","release-note":"git-chglog -c .chglog/release-config.yml v$npm_package_version"},"keywords":["ui5","manifest"],"author":"SAP SE","license":"Apache-2.0","bugs":{"url":"https://github.com/SAP/ui5-manifest/issues"},"homepage":"https://github.com/SAP/ui5-manifest#readme"}
\ No newline at end of file
diff --git a/schema.json b/schema.json
index 2ad9898..f92e8dc 100644
--- a/schema.json
+++ b/schema.json
@@ -82,7 +82,8 @@
         "1.62.0",
         "1.63.0",
         "1.64.0",
-        "1.65.0"
+        "1.65.0",
+        "1.66.0"
       ]
     },
     "start_url": {
diff --git a/types/manifest.d.ts b/types/manifest.d.ts
index 3fb4ccc..95c4637 100644
--- a/types/manifest.d.ts
+++ b/types/manifest.d.ts
@@ -709,7 +709,8 @@ export interface SAPJSONSchemaForWebApplicationManifestFile {
     | "1.62.0"
     | "1.63.0"
     | "1.64.0"
-    | "1.65.0";
+    | "1.65.0"
+    | "1.66.0";
   /**
    * Represents the URL that the developer would prefer the user agent load when the user launches the web application
    */