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index 5526d051..ffee8f23 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -17501,7 +17493,7 @@
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       "name": "@qwen-code/qwen-code",
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@@ -17616,7 +17608,7 @@
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@@ -17757,7 +17748,7 @@
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       "name": "@qwen-code/sdk",
-      "version": "0.5.1",
+      "version": "0.5.1-nightly.20251218.8106a6b0",
       "license": "Apache-2.0",
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@@ -20186,7 +20177,7 @@
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-      "version": "0.5.1",
+      "version": "0.5.1-nightly.20251218.8106a6b0",
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@@ -20198,7 +20189,7 @@
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       "name": "qwen-code-vscode-ide-companion",
-      "version": "0.5.1",
+      "version": "0.5.1-nightly.20251218.8106a6b0",
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diff --git a/package.json b/package.json
index e5ed33bd..a47a2bfe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@qwen-code/qwen-code",
-  "version": "0.5.1",
+  "version": "0.5.1-nightly.20251218.8106a6b0",
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@@ -13,7 +13,7 @@
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   },
   "config": {
-    "sandboxImageUri": "ghcr.io/qwenlm/qwen-code:0.5.1"
+    "sandboxImageUri": "ghcr.io/qwenlm/qwen-code:0.5.1-nightly.20251218.8106a6b0"
   },
   "scripts": {
     "start": "cross-env node scripts/start.js",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 150c12e5..daea877a 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@qwen-code/qwen-code",
-  "version": "0.5.1",
+  "version": "0.5.1-nightly.20251218.8106a6b0",
   "description": "Qwen Code",
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@@ -33,7 +33,7 @@
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   "config": {
-    "sandboxImageUri": "ghcr.io/qwenlm/qwen-code:0.5.1"
+    "sandboxImageUri": "ghcr.io/qwenlm/qwen-code:0.5.1-nightly.20251218.8106a6b0"
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diff --git a/packages/core/package.json b/packages/core/package.json
index 77fdbb28..4592ce8c 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
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-  "version": "0.5.1",
+  "version": "0.5.1-nightly.20251218.8106a6b0",
   "description": "Qwen Code Core",
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diff --git a/packages/sdk-typescript/package.json b/packages/sdk-typescript/package.json
index b071b8a3..f4dbe3a4 100644
--- a/packages/sdk-typescript/package.json
+++ b/packages/sdk-typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@qwen-code/sdk",
-  "version": "0.5.1",
+  "version": "0.5.1-nightly.20251218.8106a6b0",
   "description": "TypeScript SDK for programmatic access to qwen-code CLI",
   "main": "./dist/index.cjs",
   "module": "./dist/index.mjs",
diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index d7d32ac9..171ddf50 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -1,6 +1,6 @@
 {
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-  "version": "0.5.1",
+  "version": "0.5.1-nightly.20251218.8106a6b0",
   "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 faffc3f5..32de4ef0 100644
--- a/packages/vscode-ide-companion/package.json
+++ b/packages/vscode-ide-companion/package.json
@@ -2,7 +2,7 @@
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   "displayName": "Qwen Code Companion",
   "description": "Enable Qwen Code with direct access to your VS Code workspace.",
-  "version": "0.5.1",
+  "version": "0.5.1-nightly.20251218.8106a6b0",
   "publisher": "qwenlm",
   "icon": "assets/icon.png",
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