diff --git a/QWeather.py b/QWeather.py
index 86d20a1..e9d56ab 100644
--- a/QWeather.py
+++ b/QWeather.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -- coding:utf-8 --
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/lib/__init__.py b/lib/__init__.py
index 2bda7d2..e8ca056 100644
--- a/lib/__init__.py
+++ b/lib/__init__.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/lib/get_24_hour_weather.py b/lib/get_24_hour_weather.py
index 539c963..100b4c2 100644
--- a/lib/get_24_hour_weather.py
+++ b/lib/get_24_hour_weather.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -- coding:utf-8 --
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/lib/get_indices.py b/lib/get_indices.py
index 4be2149..db0561e 100644
--- a/lib/get_indices.py
+++ b/lib/get_indices.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -- coding:utf-8 --
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/lib/get_real_time_air_quality.py b/lib/get_real_time_air_quality.py
index de056ab..83fd054 100644
--- a/lib/get_real_time_air_quality.py
+++ b/lib/get_real_time_air_quality.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/lib/get_warning_city_list.py b/lib/get_warning_city_list.py
index 8456cb4..ce4d5b5 100644
--- a/lib/get_warning_city_list.py
+++ b/lib/get_warning_city_list.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/tests/__init__.py b/tests/__init__.py
index 9ea392f..0520a1d 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -- coding:utf-8 --
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm
diff --git a/tests/get_location.py b/tests/get_location.py
index 6cca818..b467962 100644
--- a/tests/get_location.py
+++ b/tests/get_location.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # @Author: markushammered@gmail.com
 # @Development Tool: PyCharm