diff --git a/kolla/cmd/build.py b/kolla/cmd/build.py
index 3ccc4475a0..67a350415b 100755
--- a/kolla/cmd/build.py
+++ b/kolla/cmd/build.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tools/validate-all-file.py b/tools/validate-all-file.py
index e44641291e..c04fb4000a 100755
--- a/tools/validate-all-file.py
+++ b/tools/validate-all-file.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tools/validate-yaml.py b/tools/validate-yaml.py
index 6df84ff07d..400a3821b2 100755
--- a/tools/validate-yaml.py
+++ b/tools/validate-yaml.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tools/version-check.py b/tools/version-check.py
index 7f4204439e..522ef1a313 100755
--- a/tools/version-check.py
+++ b/tools/version-check.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.