diff --git a/package-lock.json b/package-lock.json
index 7e9826f3ad..3b73ba28ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@google/gemini-cli",
-      "version": "0.27.0-preview.0",
+      "version": "0.27.0-preview.1",
       "workspaces": [
         "packages/*"
       ],
@@ -17999,7 +17999,7 @@
     },
     "packages/a2a-server": {
       "name": "@google/gemini-cli-a2a-server",
-      "version": "0.27.0-preview.0",
+      "version": "0.27.0-preview.1",
       "dependencies": {
         "@a2a-js/sdk": "^0.3.8",
         "@google-cloud/storage": "^7.16.0",
@@ -18055,7 +18055,7 @@
     },
     "packages/cli": {
       "name": "@google/gemini-cli",
-      "version": "0.27.0-preview.0",
+      "version": "0.27.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "^0.12.0",
@@ -18142,7 +18142,7 @@
     },
     "packages/core": {
       "name": "@google/gemini-cli-core",
-      "version": "0.27.0-preview.0",
+      "version": "0.27.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@a2a-js/sdk": "^0.3.8",
@@ -18300,7 +18300,7 @@
     },
     "packages/test-utils": {
       "name": "@google/gemini-cli-test-utils",
-      "version": "0.27.0-preview.0",
+      "version": "0.27.0-preview.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@google/gemini-cli-core": "file:../core",
@@ -18317,7 +18317,7 @@
     },
     "packages/vscode-ide-companion": {
       "name": "gemini-cli-vscode-ide-companion",
-      "version": "0.27.0-preview.0",
+      "version": "0.27.0-preview.1",
       "license": "LICENSE",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.23.0",
diff --git a/package.json b/package.json
index 806640bf9f..09f4337c74 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "engines": {
     "node": ">=20.0.0"
   },
@@ -14,7 +14,7 @@
     "url": "git+https://github.com/google-gemini/gemini-cli.git"
   },
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.27.0-preview.0"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.27.0-preview.1"
   },
   "scripts": {
     "start": "cross-env NODE_ENV=development node scripts/start.js",
diff --git a/packages/a2a-server/package.json b/packages/a2a-server/package.json
index 00e602f717..379850e884 100644
--- a/packages/a2a-server/package.json
+++ b/packages/a2a-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-a2a-server",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "description": "Gemini CLI A2A Server",
   "repository": {
     "type": "git",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index e1ed3584e2..cd8259266e 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "description": "Gemini CLI",
   "license": "Apache-2.0",
   "repository": {
@@ -26,7 +26,7 @@
     "dist"
   ],
   "config": {
-    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.27.0-preview.0"
+    "sandboxImageUri": "us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.27.0-preview.1"
   },
   "dependencies": {
     "@agentclientprotocol/sdk": "^0.12.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index f7a5c19d1f..b1933719a4 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-core",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "description": "Gemini CLI Core",
   "license": "Apache-2.0",
   "repository": {
diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index c38c97d790..1c8ea9fcd7 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google/gemini-cli-test-utils",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "private": true,
   "main": "src/index.ts",
   "license": "Apache-2.0",
diff --git a/packages/vscode-ide-companion/package.json b/packages/vscode-ide-companion/package.json
index bf99715caa..cca3ff5382 100644
--- a/packages/vscode-ide-companion/package.json
+++ b/packages/vscode-ide-companion/package.json
@@ -2,7 +2,7 @@
   "name": "gemini-cli-vscode-ide-companion",
   "displayName": "Gemini CLI Companion",
   "description": "Enable Gemini CLI with direct access to your IDE workspace.",
-  "version": "0.27.0-preview.0",
+  "version": "0.27.0-preview.1",
   "publisher": "google",
   "icon": "assets/icon.png",
   "repository": {