diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1aead29..a719a8b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Set up Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6
         with:
-          bun-version: 1.3.14
+          bun-version: 1.4.2
 
       - name: Install dependencies
         run: bun install --frozen-lockfile
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0845e43..e18cde6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -54,7 +54,7 @@ jobs:
         if: steps.current.outputs.current == 'true'
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6
         with:
-          bun-version: 1.3.14
+          bun-version: 1.4.2
 
       - name: Release
         if: steps.current.outputs.current == 'true'
@@ -115,7 +115,7 @@ jobs:
       - name: Set up Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6
         with:
-          bun-version: 1.3.14
+          bun-version: 1.4.2
 
       - name: Install dependencies
         run: bun install --frozen-lockfile
diff --git a/package.json b/package.json
index 100237f..1aa95d3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openhoo/hoopilot",
   "version": "2.1.11",
-  "packageManager": "bun@1.3.14",
+  "packageManager": "bun@1.4.2",
   "description": "OpenAI-compatible local proxy for GitHub Copilot accounts.",
   "repository": {
     "type": "git",