diff --git a/doc/salome/examples/test_smeshplugins.py b/doc/salome/examples/test_smeshplugins.py
index ddb17b6a6..7449f8e92 100644
--- a/doc/salome/examples/test_smeshplugins.py
+++ b/doc/salome/examples/test_smeshplugins.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 """
 Test000
diff --git a/src/SMESH_SWIG/YACS_geomesh0.py b/src/SMESH_SWIG/YACS_geomesh0.py
index e9edd4e09..bd7f60259 100644
--- a/src/SMESH_SWIG/YACS_geomesh0.py
+++ b/src/SMESH_SWIG/YACS_geomesh0.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # test used in YACS, ForEachLoop
 
diff --git a/src/Tools/Verima/compareVersions.py b/src/Tools/Verima/compareVersions.py
index 29fd6860c..16231d7a2 100755
--- a/src/Tools/Verima/compareVersions.py
+++ b/src/Tools/Verima/compareVersions.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import sys
diff --git a/src/Tools/Verima/createDatabase.py b/src/Tools/Verima/createDatabase.py
index d108f7372..670f7f68c 100755
--- a/src/Tools/Verima/createDatabase.py
+++ b/src/Tools/Verima/createDatabase.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 from Base.dataBase import Base