diff --git a/Documentation/doc/CMakeLists.txt b/Documentation/doc/CMakeLists.txt
index 94fc5649ef8..00d20d34bae 100644
--- a/Documentation/doc/CMakeLists.txt
+++ b/Documentation/doc/CMakeLists.txt
@@ -27,7 +27,7 @@ else()
 endif()
 
 find_package(Doxygen)
-find_package(PythonInterp 2.6.7)
+find_package(PythonInterp)
 
 if(NOT DOXYGEN_FOUND)
   message(WARNING "Cannot build the documentation without Doxygen!")
diff --git a/Documentation/doc/scripts/generate_how_to_cite.py b/Documentation/doc/scripts/generate_how_to_cite.py
index caad53d6392..2120824773e 100644
--- a/Documentation/doc/scripts/generate_how_to_cite.py
+++ b/Documentation/doc/scripts/generate_how_to_cite.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # coding: utf8
 
 import re
diff --git a/Documentation/doc/scripts/html_output_post_processing.py b/Documentation/doc/scripts/html_output_post_processing.py
index f07bd3d2ced..4771a010ae5 100755
--- a/Documentation/doc/scripts/html_output_post_processing.py
+++ b/Documentation/doc/scripts/html_output_post_processing.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # Copyright (c) 2012 GeometryFactory (France). All rights reserved.
 # All rights reserved.
 #
diff --git a/Documentation/doc/scripts/pkglist_filter.py b/Documentation/doc/scripts/pkglist_filter.py
index af99777d529..92208a6f4d9 100755
--- a/Documentation/doc/scripts/pkglist_filter.py
+++ b/Documentation/doc/scripts/pkglist_filter.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 
 import codecs
 import re
diff --git a/Documentation/doc/scripts/testsuite.py b/Documentation/doc/scripts/testsuite.py
index 1fda305b1e0..255191e61c4 100755
--- a/Documentation/doc/scripts/testsuite.py
+++ b/Documentation/doc/scripts/testsuite.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # Copyright (c) 2012 GeometryFactory (France). All rights reserved.
 # All rights reserved.
 #