diff --git a/bun.lock b/bun.lock
index 2a33a60b..0f29df32 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,5 +1,5 @@
 {
-  "lockfileVersion": 1,
+  "lockfileVersion": 2,
   "configVersion": 1,
   "workspaces": {
     "": {
diff --git a/package.json b/package.json
index 722e3faa..94aeed53 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "bugs": {
     "url": "https://github.com/0disoft/mustflow/issues"
   },
-  "packageManager": "bun@1.3.13",
+  "packageManager": "bun@1.4.0",
   "bin": {
     "mf": "./dist/cli/index.js",
     "mustflow": "./dist/cli/index.js"
diff --git a/tests/cli/package-metadata-contracts.test.js b/tests/cli/package-metadata-contracts.test.js
index 4037572c..258ca1f1 100644
--- a/tests/cli/package-metadata-contracts.test.js
+++ b/tests/cli/package-metadata-contracts.test.js
@@ -42,7 +42,7 @@ test('package metadata is ready for public npm publishing', () => {
 	assert.match(packageJson.description, /agent workflow/i);
 	assert.ok(packageJson.keywords.includes('agent-workflow'));
 	assert.ok(packageJson.keywords.includes('agents-md'));
-	assert.equal(packageJson.packageManager, 'bun@1.3.13');
+	assert.equal(packageJson.packageManager, 'bun@1.4.0');
 });
 
 test('default template manifest version stays synchronized with package version', () => {