diff --git a/mycobot_320/mycobot_320_communication/scripts/mycobot_services.py b/mycobot_320/mycobot_320_communication/scripts/mycobot_services.py
index 7e6a870..4d9df8b 100755
--- a/mycobot_320/mycobot_320_communication/scripts/mycobot_services.py
+++ b/mycobot_320/mycobot_320_communication/scripts/mycobot_services.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import time
 import rospy
diff --git a/mycobot_320/mycobot_320_communication/scripts/mycobot_topics.py b/mycobot_320/mycobot_320_communication/scripts/mycobot_topics.py
index 5c1121e..f17d103 100755
--- a/mycobot_320/mycobot_320_communication/scripts/mycobot_topics.py
+++ b/mycobot_320/mycobot_320_communication/scripts/mycobot_topics.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import time
 import os
diff --git a/mycobot_320/mycobot_320_communication/scripts/mycobot_topics_pi.py b/mycobot_320/mycobot_320_communication/scripts/mycobot_topics_pi.py
index ecce12f..694ff05 100644
--- a/mycobot_320/mycobot_320_communication/scripts/mycobot_topics_pi.py
+++ b/mycobot_320/mycobot_320_communication/scripts/mycobot_topics_pi.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import time
 import os