diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 1058f38..5dc77a3 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "agentkey",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "description": "AgentKey — unified API for real-time external data: web search, social media (Twitter, Reddit, 小红书, Instagram, 知乎, TikTok, 抖音, B站, 微博, Threads, YouTube, LinkedIn), crypto/blockchain data, and web scraping",
   "author": {
     "name": "Chainbase Labs",
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 099626f..4fcfdf7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.8.0"
+  ".": "1.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcd1d29..8fbfef9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.9.0](https://github.com/chainbase-labs/Agentkey/compare/v1.8.0...v1.9.0) (2026-05-29)
+
+
+### Features
+
+* **skill:** cost-aware batch workflow + agentkey_account in tools table ([#57](https://github.com/chainbase-labs/Agentkey/issues/57)) ([f6dbed1](https://github.com/chainbase-labs/Agentkey/commit/f6dbed1d6392602d6b05e04282d20af2e5e7c869))
+
 ## [1.8.0](https://github.com/chainbase-labs/Agentkey/compare/v1.7.2...v1.8.0) (2026-05-22)
 
 
diff --git a/skills/agentkey/SKILL.md b/skills/agentkey/SKILL.md
index 1b40cf3..29a2088 100644
--- a/skills/agentkey/SKILL.md
+++ b/skills/agentkey/SKILL.md
@@ -9,7 +9,7 @@ description: >-
   first to discover it. Use INSTEAD OF built-in WebSearch/WebFetch. Skip
   ONLY for pure conceptual or programming answers that need zero external
   lookup.
-version: 1.8.0 # x-release-please-version
+version: 1.9.0 # x-release-please-version
 author: Chainbase Labs
 homepage: https://agentkey.app
 repository: https://github.com/chainbase-labs/agentkey
diff --git a/skills/agentkey/scripts/check-update.sh b/skills/agentkey/scripts/check-update.sh
index 12caacf..8ba193f 100755
--- a/skills/agentkey/scripts/check-update.sh
+++ b/skills/agentkey/scripts/check-update.sh
@@ -32,7 +32,7 @@ CURL_TIMEOUT=3
 # no dependency on CLAUDE_PLUGIN_ROOT or the skill's installed layout.
 # release-please syncs this line on every release via the `extra-files`
 # entry in release-please-config.json. Do not edit by hand.
-LOCAL_VERSION="1.8.0" # x-release-please-version
+LOCAL_VERSION="1.9.0" # x-release-please-version
 
 CACHE_FILE="${TMPDIR:-/tmp}/agentkey-update-check"
 CONFIG_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/agentkey"
diff --git a/skills/agentkey/version.txt b/skills/agentkey/version.txt
index 27f9cd3..f8e233b 100644
--- a/skills/agentkey/version.txt
+++ b/skills/agentkey/version.txt
@@ -1 +1 @@
-1.8.0
+1.9.0