diff --git a/dev/bin/convert-hexdump-raw b/dev/bin/convert-hexdump-raw
index d62d2430b..a20a0c42f 100755
--- a/dev/bin/convert-hexdump-raw
+++ b/dev/bin/convert-hexdump-raw
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 from struct import pack
diff --git a/dev/bin/format-raw-bmp-hexdump b/dev/bin/format-raw-bmp-hexdump
index f544d7ae3..6f6853c07 100755
--- a/dev/bin/format-raw-bmp-hexdump
+++ b/dev/bin/format-raw-bmp-hexdump
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/dev/bin/ibgp b/dev/bin/ibgp
index 19c402913..6aa365a23 100755
--- a/dev/bin/ibgp
+++ b/dev/bin/ibgp
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/dev/bin/ibgp-open-only b/dev/bin/ibgp-open-only
index b293b8ec0..0cd00a1fe 100755
--- a/dev/bin/ibgp-open-only
+++ b/dev/bin/ibgp-open-only
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import asyncore
diff --git a/dev/bin/recorder-connect b/dev/bin/recorder-connect
index 79d4eb073..cbad23b96 100755
--- a/dev/bin/recorder-connect
+++ b/dev/bin/recorder-connect
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/dev/bin/recorder-listener b/dev/bin/recorder-listener
index 3da929b77..a7cb9c33d 100755
--- a/dev/bin/recorder-listener
+++ b/dev/bin/recorder-listener
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/dev/bin/replay-connect b/dev/bin/replay-connect
index 334f7943a..abadb33a3 100755
--- a/dev/bin/replay-connect
+++ b/dev/bin/replay-connect
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import socket
diff --git a/dev/profile/analyse b/dev/profile/analyse
index f5d3582d2..bf95817f8 100755
--- a/dev/profile/analyse
+++ b/dev/profile/analyse
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import pstats
diff --git a/dev/profile/pyprof2calltree.py b/dev/profile/pyprof2calltree.py
index ff8463c60..6bfc35223 100755
--- a/dev/profile/pyprof2calltree.py
+++ b/dev/profile/pyprof2calltree.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Copyright (c) 2006-2008, David Allouche, Jp Calderone, Itamar Shtull-Trauring,
 # Johan Dahlin, Olivier Grisel <olivier.grisel@ensta.org>
diff --git a/etc/exabgp/example-api-program.run b/etc/exabgp/example-api-program.run
index 4a04f04a4..ce94ce23a 100755
--- a/etc/exabgp/example-api-program.run
+++ b/etc/exabgp/example-api-program.run
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/qa/bin/conversation.serial b/qa/bin/conversation.serial
index d48feedf5..97013ee82 100755
--- a/qa/bin/conversation.serial
+++ b/qa/bin/conversation.serial
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 cache.py
diff --git a/qa/self/api/receive.py b/qa/self/api/receive.py
index e4b4262d0..d816dd857 100755
--- a/qa/self/api/receive.py
+++ b/qa/self/api/receive.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/attribute/api-internet.py b/qa/self/attribute/api-internet.py
index f7827d16f..a58c75974 100755
--- a/qa/self/attribute/api-internet.py
+++ b/qa/self/attribute/api-internet.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import time
diff --git a/qa/self/big/api-internet.py b/qa/self/big/api-internet.py
index d9f2bf7c9..87867cc77 100755
--- a/qa/self/big/api-internet.py
+++ b/qa/self/big/api-internet.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import time
diff --git a/qa/self/big/dump-all.py b/qa/self/big/dump-all.py
index 55c759fec..a87163e16 100755
--- a/qa/self/big/dump-all.py
+++ b/qa/self/big/dump-all.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/big/dump-number.py b/qa/self/big/dump-number.py
index 1a9de2164..6da2aeb61 100755
--- a/qa/self/big/dump-number.py
+++ b/qa/self/big/dump-number.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/big/dump-to-screen.py b/qa/self/big/dump-to-screen.py
index 1a9de2164..6da2aeb61 100755
--- a/qa/self/big/dump-to-screen.py
+++ b/qa/self/big/dump-to-screen.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/flow/flow-change.py b/qa/self/flow/flow-change.py
index 846ed2e26..58b1b12a2 100755
--- a/qa/self/flow/flow-change.py
+++ b/qa/self/flow/flow-change.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from __future__ import print_function
 import os
diff --git a/qa/self/flow/log-syslog.py b/qa/self/flow/log-syslog.py
index 3e26b8ef2..de7535d10 100755
--- a/qa/self/flow/log-syslog.py
+++ b/qa/self/flow/log-syslog.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/qa/self/json/receive.py b/qa/self/json/receive.py
index aabc4e652..7859ea424 100755
--- a/qa/self/json/receive.py
+++ b/qa/self/json/receive.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import json
diff --git a/qa/self/load/api-internet.py b/qa/self/load/api-internet.py
index d756fd79d..5ad65a989 100755
--- a/qa/self/load/api-internet.py
+++ b/qa/self/load/api-internet.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from __future__ import print_function
 import sys
diff --git a/qa/self/load/dump-all.py b/qa/self/load/dump-all.py
index 55c759fec..a87163e16 100755
--- a/qa/self/load/dump-all.py
+++ b/qa/self/load/dump-all.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/load/dump-number.py b/qa/self/load/dump-number.py
index 1a9de2164..6da2aeb61 100755
--- a/qa/self/load/dump-number.py
+++ b/qa/self/load/dump-number.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/load/dump-to-screen.py b/qa/self/load/dump-to-screen.py
index 1a9de2164..6da2aeb61 100755
--- a/qa/self/load/dump-to-screen.py
+++ b/qa/self/load/dump-to-screen.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 
diff --git a/qa/self/operational/operational-print.py b/qa/self/operational/operational-print.py
index 41a187bf4..67c292e96 100755
--- a/qa/self/operational/operational-print.py
+++ b/qa/self/operational/operational-print.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/qa/self/operational/operational-send.py b/qa/self/operational/operational-send.py
index eab66205f..c0ec5f418 100755
--- a/qa/self/operational/operational-send.py
+++ b/qa/self/operational/operational-send.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from __future__ import print_function
 import os
diff --git a/qa/self/refresh/re-ask.py b/qa/self/refresh/re-ask.py
index 55594adba..0ca8cb387 100755
--- a/qa/self/refresh/re-ask.py
+++ b/qa/self/refresh/re-ask.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from __future__ import print_function
 import sys
diff --git a/qa/self/simple/log-syslog.py b/qa/self/simple/log-syslog.py
index e15212f42..41646e431 100755
--- a/qa/self/simple/log-syslog.py
+++ b/qa/self/simple/log-syslog.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/qa/self/update/update-receive.py b/qa/self/update/update-receive.py
index 41a187bf4..67c292e96 100755
--- a/qa/self/update/update-receive.py
+++ b/qa/self/update/update-receive.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
diff --git a/qa/self/update/update-send.py b/qa/self/update/update-send.py
index d7e14a952..0d102027b 100755
--- a/qa/self/update/update-send.py
+++ b/qa/self/update/update-send.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from __future__ import print_function
 import os
diff --git a/src/exabgp/application/cli.py b/src/exabgp/application/cli.py
index 4028ad73c..d704d8b5f 100644
--- a/src/exabgp/application/cli.py
+++ b/src/exabgp/application/cli.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 
 """exabgp command line interface"""
diff --git a/src/exabgp/application/tojson.py b/src/exabgp/application/tojson.py
index 49fed0732..0731fed83 100644
--- a/src/exabgp/application/tojson.py
+++ b/src/exabgp/application/tojson.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 tojson.py
diff --git a/src/exabgp/reactor/api/response/json.py b/src/exabgp/reactor/api/response/json.py
index 0642b0057..a11d98737 100755
--- a/src/exabgp/reactor/api/response/json.py
+++ b/src/exabgp/reactor/api/response/json.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 Response/json.py
diff --git a/src/exabgp/reactor/api/response/text.py b/src/exabgp/reactor/api/response/text.py
index ca4a09747..04f998795 100755
--- a/src/exabgp/reactor/api/response/text.py
+++ b/src/exabgp/reactor/api/response/text.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 response/text.py
diff --git a/tests/cache_test.py b/tests/cache_test.py
index 1aa076dda..97fde2902 100755
--- a/tests/cache_test.py
+++ b/tests/cache_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 cache.py
diff --git a/tests/connection.py b/tests/connection.py
index 08ec598bf..d25ac8bbd 100755
--- a/tests/connection.py
+++ b/tests/connection.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 connection.py
diff --git a/tests/control_test.py b/tests/control_test.py
index be01800c5..7642a784d 100755
--- a/tests/control_test.py
+++ b/tests/control_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 control.py
diff --git a/tests/datatype.py b/tests/datatype.py
index 1bc3ae359..79dab74bf 100755
--- a/tests/datatype.py
+++ b/tests/datatype.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 data.py
diff --git a/tests/decode_test.py b/tests/decode_test.py
index 923614af3..9e495dd6b 100755
--- a/tests/decode_test.py
+++ b/tests/decode_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 decode.py
diff --git a/tests/flow_test.py b/tests/flow_test.py
index dcd99b2df..44f1ace71 100755
--- a/tests/flow_test.py
+++ b/tests/flow_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 flow.py
diff --git a/tests/l2vpn_test.py b/tests/l2vpn_test.py
index 4bc9065bd..eed9f6c5a 100755
--- a/tests/l2vpn_test.py
+++ b/tests/l2vpn_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 l2vpn.py
diff --git a/tests/nlri_tests.py b/tests/nlri_tests.py
index 704b56f57..f9222dce0 100755
--- a/tests/nlri_tests.py
+++ b/tests/nlri_tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 open.py
diff --git a/tests/open_test.py b/tests/open_test.py
index 4ff0e6dfb..2432897f2 100755
--- a/tests/open_test.py
+++ b/tests/open_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 open.py
diff --git a/tests/parsing_test.py b/tests/parsing_test.py
index 7d14a438c..3c9629be2 100755
--- a/tests/parsing_test.py
+++ b/tests/parsing_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 parsing.py
diff --git a/tests/protocol.py b/tests/protocol.py
index 815675905..75adbdf38 100755
--- a/tests/protocol.py
+++ b/tests/protocol.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # encoding: utf-8
 """
 protocol.py