diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2261d54..1a9478a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "1.20.0"
+    ".": "1.21.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6152c70..10776c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,37 @@
 # Changelog
 
+## [1.21.0](https://github.com/dograh-hq/dograh/compare/dograh-v1.20.0...dograh-v1.21.0) (2026-04-08)
+
+
+### Features
+
+* add agent lifecycle events in widget ([#226](https://github.com/dograh-hq/dograh/issues/226)) ([f5fa9ce](https://github.com/dograh-hq/dograh/commit/f5fa9ce71757d6e5e26444744290f2389fb2bf3a))
+* add Assembly AI STT ([501d06c](https://github.com/dograh-hq/dograh/commit/501d06c00de7bd9c4257d8d46ae9a0df7e396c86))
+* add default initial context variables ([96c9037](https://github.com/dograh-hq/dograh/commit/96c90376c32dd8be90fd375adb5422f9a7ea5c3d))
+* add default telephony variables ([e7adbc7](https://github.com/dograh-hq/dograh/commit/e7adbc7bad9c409265efe5b60692fdfcf2fa9875))
+* add gladia stt support ([c4c4b59](https://github.com/dograh-hq/dograh/commit/c4c4b591db4606e3dca4ee11fc863c73ab7ffde6))
+* add pre call fetch configuration ([#222](https://github.com/dograh-hq/dograh/issues/222)) ([ec2f322](https://github.com/dograh-hq/dograh/commit/ec2f322486fdc8729d97c7d70d0d53fd21704793))
+* add Rime TTS ([e255b33](https://github.com/dograh-hq/dograh/commit/e255b33813493f323ccc50994ffeac75b19db601))
+* add worker sync events ([03df559](https://github.com/dograh-hq/dograh/commit/03df5595c3a8405f9fa7356f335caeecb7f737d4))
+* agent versioning and model configurations override ([#227](https://github.com/dograh-hq/dograh/issues/227)) ([38d1d92](https://github.com/dograh-hq/dograh/commit/38d1d928b73cbe87462e66b13ce7c85496adbc60))
+* allow multiple recording file upload ([6792ecd](https://github.com/dograh-hq/dograh/commit/6792ecd301f609fa592c66e7b92ac9e9180b2207))
+* enable context summarization ([56763a4](https://github.com/dograh-hq/dograh/commit/56763a4527c513ae26548bce48f7d4e50a5aaff4))
+* set calculator as custom tool on demand ([f368fe5](https://github.com/dograh-hq/dograh/commit/f368fe51346ed325998aebdcf8e20560cfc76d99))
+
+
+### Bug Fixes
+
+* scope the overridden config over global for recording ([6968d20](https://github.com/dograh-hq/dograh/commit/6968d20eff5e081026a87d709593676e822c8d36))
+* send volume in cartesia ([9decdb2](https://github.com/dograh-hq/dograh/commit/9decdb2f4b97ef9fc1c6f31d9cd321c39d40c779))
+* set context before update settings for live ([6a473a9](https://github.com/dograh-hq/dograh/commit/6a473a9db5c887c7e84dc64e9497d10e2d553d7c))
+* Speaches STT service wiring ([95d6dd4](https://github.com/dograh-hq/dograh/commit/95d6dd44ff4e79994022ead1eb6f79a91f053566))
+
+
+### Documentation
+
+* improve api trigger documentation ([89fce77](https://github.com/dograh-hq/dograh/commit/89fce77438683faee1c99c00918ab687626bd84b))
+* override agent model config ([32d0766](https://github.com/dograh-hq/dograh/commit/32d07663964ad231dc14a11f182fce6c9a3d32fb))
+
 ## [1.20.0](https://github.com/dograh-hq/dograh/compare/dograh-v1.19.2...dograh-v1.20.0) (2026-03-31)
 
 
diff --git a/api/pyproject.toml b/api/pyproject.toml
index 3c6629b..f68fb34 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -1,5 +1,5 @@
 [project]
 name = "dograh-api"
-version = "1.20.0"
+version = "1.21.0"
 description = "Backend API for Dograh voice AI platform"
 requires-python = ">=3.12"
diff --git a/ui/package.json b/ui/package.json
index 27f9325..f6df3b2 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ui",
-  "version": "1.20.0",
+  "version": "1.21.0",
   "private": true,
   "scripts": {
     "dev": "cross-env NODE_OPTIONS=--enable-source-maps next dev --turbopack",