diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 73bd79b5e3..d221af3eea 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,6 +1,6 @@
 {
-  ".": "2.0.0",
-  "core": "2.0.0",
-  "dev": "2.0.0",
-  "integrations": "2.0.0"
+  ".": "2.1.0",
+  "core": "2.1.0",
+  "dev": "2.1.0",
+  "integrations": "2.1.0"
 }
diff --git a/core/CHANGELOG.md b/core/CHANGELOG.md
index 1d7c996f8b..c0d69b4e41 100644
--- a/core/CHANGELOG.md
+++ b/core/CHANGELOG.md
@@ -1,5 +1,34 @@
 # Changelog
 
+## [2.1.0](https://github.com/google/adk-js/compare/adk-v2.0.0...adk-v2.1.0) (2026-09-04)
+
+
+### Features
+
+* **plugins:** add ReflectAndRetryToolPlugin and ReflectAndRetryModelPlugin for self-healing error recovery ([#631](https://github.com/google/adk-js/issues/631)) ([1b6ea6d](https://github.com/google/adk-js/commit/1b6ea6db46597abb17ccbcdc948fcc4ed6cb20e0))
+* Port the typed-errors module (errors/) from adk-python ([#583](https://github.com/google/adk-js/issues/583)) ([fab19d0](https://github.com/google/adk-js/commit/fab19d04cd1231567d363b49f5c657223e6842ba))
+
+
+### Bug Fixes
+
+* **a2a:** propagate request metadata to agent execution ([#752](https://github.com/google/adk-js/issues/752)) ([#768](https://github.com/google/adk-js/issues/768)) ([bb2dd8f](https://github.com/google/adk-js/commit/bb2dd8f285e3360d5284a29756e9c06afcc3b4ce))
+* **agents:** carry request-input resume inputs in their own type ([#822](https://github.com/google/adk-js/issues/822)) ([8664b6e](https://github.com/google/adk-js/commit/8664b6e4937958a6faee79c20a0299ee3683dac6))
+* **auth:** redact OAuth2 authorization code from malformed-callback-URI log ([#640](https://github.com/google/adk-js/issues/640)) ([08f4f24](https://github.com/google/adk-js/commit/08f4f24c45b31a1bc0d69fb464bdc4d3c2e6c67a))
+* **auth:** reject an empty credentialKey before storing the credential ([#818](https://github.com/google/adk-js/issues/818)) ([8f792bb](https://github.com/google/adk-js/commit/8f792bbb98e8f360085b69a0dbafb3c1a071a4a4))
+* **build:** make the web build loadable outside Node ([#837](https://github.com/google/adk-js/issues/837)) ([5b9c306](https://github.com/google/adk-js/commit/5b9c306ac99cf29bb63975fdd9fac977e79146c3))
+* close two remaining author-blind confirmation-resolution paths ([#755](https://github.com/google/adk-js/issues/755)) ([f9d6d91](https://github.com/google/adk-js/commit/f9d6d914bbe33436d075bde798c99df5b26293ab))
+* **core:** gracefully handle unregistered tool calls ([#790](https://github.com/google/adk-js/issues/790)) ([6be4195](https://github.com/google/adk-js/commit/6be4195aeee9fda7a7346607f2fa879d101f76a0))
+* **core:** load artifacts and MCP resources when other tools are call… ([#639](https://github.com/google/adk-js/issues/639)) ([b723201](https://github.com/google/adk-js/commit/b72320146c2352b13d0e92ba8b33e96fb00945cb))
+* **core:** make built-in tools resolvable by name ([#811](https://github.com/google/adk-js/issues/811)) ([e7fab37](https://github.com/google/adk-js/commit/e7fab3763f1bb8e072edf8f4753e8103838d95cb))
+* **core:** stop a surviving grandchild from hanging code execution ([#793](https://github.com/google/adk-js/issues/793)) ([173462a](https://github.com/google/adk-js/commit/173462ae07bcfa1155f8acdb96e71d49d2470b0c)), closes [#622](https://github.com/google/adk-js/issues/622)
+* **core:** type the live session mock in gemini_llm_connection_test ([#849](https://github.com/google/adk-js/issues/849)) ([bfe904e](https://github.com/google/adk-js/commit/bfe904ee99b5de6e214d9eb67fa6c97dd355a06c))
+* drop the redundant ExtendedInteractionSSEEvent self-cast in the streaming loop ([#827](https://github.com/google/adk-js/issues/827)) ([e9f187f](https://github.com/google/adk-js/commit/e9f187fc54bf1f26397d0dbd476b68d15a38e4f5))
+* preserve EventActions when a long-running tool returns no response ([#571](https://github.com/google/adk-js/issues/571)) ([c6ad9c2](https://github.com/google/adk-js/commit/c6ad9c277253fb07076f1180169679810b922efd))
+* scrub credential material before forwarding to a remote A2A peer ([#767](https://github.com/google/adk-js/issues/767)) ([f3c27fd](https://github.com/google/adk-js/commit/f3c27fde193a1c095f3fb358b9304ce66d954ee3))
+* **sessions:** import Client from the @google-cloud/vertexai package root ([#801](https://github.com/google/adk-js/issues/801)) ([3aaf49b](https://github.com/google/adk-js/commit/3aaf49bbd22eadc5dbfd6b957623598e4d3f7def))
+* **tools:** drop no-unused-vars suppressions in BaseToolset.processLlmRequest ([#851](https://github.com/google/adk-js/issues/851)) ([1a699f4](https://github.com/google/adk-js/commit/1a699f4e1ba4ab6b0cc2c08607ef8363c0ecd434))
+* type the load_mcp_resource LlmRequest fixtures instead of double-casting ([#836](https://github.com/google/adk-js/issues/836)) ([071f795](https://github.com/google/adk-js/commit/071f795b9dc57449f95e8cba51615d75566cf02e))
+
 ## [2.0.0](https://github.com/google/adk-js/compare/adk-v1.6.0...adk-v2.0.0) (2026-08-20)
 
 
diff --git a/core/package.json b/core/package.json
index 071d6e607a..c97632a898 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/adk",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Google ADK JS",
   "author": "Google",
   "license": "Apache-2.0",
diff --git a/core/src/version.ts b/core/src/version.ts
index 2a7628d610..34a14e32ba 100644
--- a/core/src/version.ts
+++ b/core/src/version.ts
@@ -5,4 +5,4 @@
  */
 
 // version: major.minor.patch
-export const version = '2.0.0'; // x-release-please-version
+export const version = '2.1.0'; // x-release-please-version
diff --git a/dev/CHANGELOG.md b/dev/CHANGELOG.md
index faf24b4e09..d4edc1efb9 100644
--- a/dev/CHANGELOG.md
+++ b/dev/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [2.1.0](https://github.com/google/adk-js/compare/devtools-v2.0.0...devtools-v2.1.0) (2026-09-04)
+
+
+### Bug Fixes
+
+* **dev:** let --bundle false actually load an agent ([#791](https://github.com/google/adk-js/issues/791)) ([91357fd](https://github.com/google/adk-js/commit/91357fdf9a1f93adf089db91f407a840a27f27f6)), closes [#714](https://github.com/google/adk-js/issues/714)
+* guard reads in the dev server against DNS rebinding ([#744](https://github.com/google/adk-js/issues/744)) ([0fe9581](https://github.com/google/adk-js/commit/0fe958137e9c4b5211651f62609ca95933809eb5))
+* remove the no-op [@ts-ignore](https://github.com/ts-ignore) on the esbuild-shim-plugin import ([#805](https://github.com/google/adk-js/issues/805)) ([9566743](https://github.com/google/adk-js/commit/9566743ffaa5fcc29b5a97d2a823837fa8319627))
+
+
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @google/adk bumped from ^2.0.0 to ^2.1.0
+
 ## [2.0.0](https://github.com/google/adk-js/compare/devtools-v1.6.0...devtools-v2.0.0) (2026-08-20)
 
 
diff --git a/dev/package.json b/dev/package.json
index 310fe81ca8..643f56a206 100644
--- a/dev/package.json
+++ b/dev/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/adk-devtools",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Google ADK JS Development Tools",
   "author": "Google",
   "license": "Apache-2.0",
@@ -55,7 +55,7 @@
   },
   "dependencies": {
     "@clack/prompts": "^0.11.0",
-    "@google/adk": "^2.0.0",
+    "@google/adk": "^2.1.0",
     "@mikro-orm/mariadb": "^6.6.6",
     "@mikro-orm/mssql": "^6.6.6",
     "@mikro-orm/mysql": "^6.6.6",
diff --git a/dev/src/version.ts b/dev/src/version.ts
index 2a7628d610..34a14e32ba 100644
--- a/dev/src/version.ts
+++ b/dev/src/version.ts
@@ -5,4 +5,4 @@
  */
 
 // version: major.minor.patch
-export const version = '2.0.0'; // x-release-please-version
+export const version = '2.1.0'; // x-release-please-version
diff --git a/integrations/CHANGELOG.md b/integrations/CHANGELOG.md
index 771cbb0f5c..3eab572cc1 100644
--- a/integrations/CHANGELOG.md
+++ b/integrations/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [2.1.0](https://github.com/google/adk-js/compare/integrations-v2.0.0...integrations-v2.1.0) (2026-09-04)
+
+
+### Miscellaneous Chores
+
+* **integrations:** Synchronize adk versions
+
+
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @google/adk bumped from ^2.0.0 to ^2.1.0
+
 ## [2.0.0](https://github.com/google/adk-js/compare/integrations-v1.6.0...integrations-v2.0.0) (2026-08-20)
 
 
diff --git a/integrations/package.json b/integrations/package.json
index 9c9d171a6c..79ca9f05ee 100644
--- a/integrations/package.json
+++ b/integrations/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/adk-integrations",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Google ADK JS Integrations",
   "author": "Google",
   "license": "Apache-2.0",
@@ -45,6 +45,6 @@
     "prepublishOnly": "npm run build"
   },
   "dependencies": {
-    "@google/adk": "^2.0.0"
+    "@google/adk": "^2.1.0"
   }
 }
diff --git a/integrations/src/version.ts b/integrations/src/version.ts
index 05878a2db9..ab7d3dd28b 100644
--- a/integrations/src/version.ts
+++ b/integrations/src/version.ts
@@ -5,4 +5,4 @@
  */
 
 // version: major.minor.patch
-export const version = '2.0.0'; // x-release-please-version
+export const version = '2.1.0'; // x-release-please-version
diff --git a/package-lock.json b/package-lock.json
index f66cd99ea9..2b191eead6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "adk",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "adk",
-      "version": "2.0.0",
+      "version": "2.1.0",
       "license": "Apache-2.0",
       "workspaces": [
         "core",
@@ -41,7 +41,7 @@
     },
     "core": {
       "name": "@google/adk",
-      "version": "2.0.0",
+      "version": "2.1.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@a2a-js/sdk": "^0.3.10",
@@ -129,11 +129,11 @@
     },
     "dev": {
       "name": "@google/adk-devtools",
-      "version": "2.0.0",
+      "version": "2.1.0",
       "license": "Apache-2.0",
       "dependencies": {
         "@clack/prompts": "^0.11.0",
-        "@google/adk": "^2.0.0",
+        "@google/adk": "^2.1.0",
         "@mikro-orm/mariadb": "^6.6.6",
         "@mikro-orm/mssql": "^6.6.6",
         "@mikro-orm/mysql": "^6.6.6",
@@ -369,10 +369,10 @@
     },
     "integrations": {
       "name": "@google/adk-integrations",
-      "version": "2.0.0",
+      "version": "2.1.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "@google/adk": "^2.0.0"
+        "@google/adk": "^2.1.0"
       }
     },
     "node_modules/@a2a-js/sdk": {
diff --git a/package.json b/package.json
index ee72135413..171286e290 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "adk",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Google ADK JS",
   "author": "Google",
   "license": "Apache-2.0",