diff --git a/tools/actionlint.sh b/tools/actionlint.sh
index d1950db5..35b8f52b 100755
--- a/tools/actionlint.sh
+++ b/tools/actionlint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/check_repo.sh b/tools/check_repo.sh
index 7b01da0f..cba30a16 100644
--- a/tools/check_repo.sh
+++ b/tools/check_repo.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/collect_user_first_contribution.sh b/tools/collect_user_first_contribution.sh
index e94e57f9..6ff1df31 100644
--- a/tools/collect_user_first_contribution.sh
+++ b/tools/collect_user_first_contribution.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/install_flash_infer_attention_score_ops_a2.sh b/tools/install_flash_infer_attention_score_ops_a2.sh
index 7f1fe4cd..96cb8659 100644
--- a/tools/install_flash_infer_attention_score_ops_a2.sh
+++ b/tools/install_flash_infer_attention_score_ops_a2.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/install_flash_infer_attention_score_ops_a3.sh b/tools/install_flash_infer_attention_score_ops_a3.sh
index b833bf2d..95bedf5a 100644
--- a/tools/install_flash_infer_attention_score_ops_a3.sh
+++ b/tools/install_flash_infer_attention_score_ops_a3.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/mooncake_installer.sh b/tools/mooncake_installer.sh
index d9a92bd4..18d47d4a 100644
--- a/tools/mooncake_installer.sh
+++ b/tools/mooncake_installer.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/mypy.sh b/tools/mypy.sh
index b8b14b0d..fcdfcde0 100755
--- a/tools/mypy.sh
+++ b/tools/mypy.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/png-lint.sh b/tools/png-lint.sh
index 3eb76670..721adf7a 100755
--- a/tools/png-lint.sh
+++ b/tools/png-lint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/shellcheck.sh b/tools/shellcheck.sh
index e0833f39..f3900708 100755
--- a/tools/shellcheck.sh
+++ b/tools/shellcheck.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
diff --git a/tools/sphinx-lint.sh b/tools/sphinx-lint.sh
index 2bedf37a..6fbd894d 100755
--- a/tools/sphinx-lint.sh
+++ b/tools/sphinx-lint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #
 # Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.