diff --git a/VERSION b/VERSION
index 73462a5a..4a36342f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.1
+3.0.0
diff --git a/installers/install.ps1 b/installers/install.ps1
index b261c2b9..70aed8c2 100644
--- a/installers/install.ps1
+++ b/installers/install.ps1
@@ -31,7 +31,7 @@ $InstallMethod = if ($ScriptDir -and ((Test-Path "$ScriptDir\lib\ccs.ps1") -or (
 # IMPORTANT: Update this version when releasing new versions!
 # This hardcoded version is used for standalone installations (irm | iex)
 # For git installations, VERSION file is read if available
-$CcsVersion = "2.5.1"
+$CcsVersion = "3.0.0"
 
 # Try to read VERSION file for git installations
 if ($ScriptDir) {
diff --git a/installers/install.sh b/installers/install.sh
index 7e4fd3f2..eb3c55f1 100755
--- a/installers/install.sh
+++ b/installers/install.sh
@@ -32,7 +32,7 @@ fi
 # IMPORTANT: Update this version when releasing new versions!
 # This hardcoded version is used for standalone installations (curl | bash)
 # For git installations, VERSION file is read if available
-CCS_VERSION="2.5.1"
+CCS_VERSION="3.0.0"
 
 # Try to read VERSION file for git installations
 if [[ -f "$SCRIPT_DIR/VERSION" ]]; then
diff --git a/lib/ccs b/lib/ccs
index 211bb6f3..cb6cbf74 100755
--- a/lib/ccs
+++ b/lib/ccs
@@ -2,7 +2,7 @@
 set -euo pipefail
 
 # Version (updated by scripts/bump-version.sh)
-CCS_VERSION="2.5.1"
+CCS_VERSION="3.0.0"
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 readonly CONFIG_FILE="${CCS_CONFIG:-$HOME/.ccs/config.json}"
 
diff --git a/lib/ccs.ps1 b/lib/ccs.ps1
index f84287d4..6b82c2d1 100644
--- a/lib/ccs.ps1
+++ b/lib/ccs.ps1
@@ -141,7 +141,7 @@ function Show-Help {
 }
 
 # Version (updated by scripts/bump-version.sh)
-$CcsVersion = "2.5.1"
+$CcsVersion = "3.0.0"
 $ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
 $ConfigFile = if ($env:CCS_CONFIG) { $env:CCS_CONFIG } else { "$env:USERPROFILE\.ccs\config.json" }
 
diff --git a/package.json b/package.json
index 41404759..a3547e9f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kaitranntt/ccs",
-  "version": "2.5.1",
+  "version": "3.0.0",
   "description": "Claude Code Switch - Instant profile switching between Claude Sonnet 4.5 and GLM 4.6",
   "keywords": [
     "cli",