diff --git a/waf-light b/waf-light
index 108d533c..08ac2f5c 100755
--- a/waf-light
+++ b/waf-light
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # encoding: ISO8859-1
-# Thomas Nagy, 2005-2015
+# Thomas Nagy, 2005-2016
 
 """
 Redistribution and use in source and binary forms, with or without
@@ -32,7 +32,7 @@ POSSIBILITY OF SUCH DAMAGE.
 
 import os, sys, inspect
 
-VERSION="1.8.17"
+VERSION="1.9.0"
 REVISION="x"
 GIT="x"
 INSTALL="x"
diff --git a/waflib/Context.py b/waflib/Context.py
index ac3004fa..8bb00e59 100644
--- a/waflib/Context.py
+++ b/waflib/Context.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # encoding: utf-8
-# Thomas Nagy, 2010 (ita)
+# Thomas Nagy, 2010-2016 (ita)
 
 """
 Classes and functions required for waf commands
@@ -11,13 +11,13 @@ from waflib import Utils, Errors, Logs
 import waflib.Node
 
 # the following 3 constants are updated on each new release (do not touch)
-HEXVERSION=0x1081100
+HEXVERSION=0x1090000
 """Constant updated on new releases"""
 
-WAFVERSION="1.8.17"
+WAFVERSION="1.9.0"
 """Constant updated on new releases"""
 
-WAFREVISION="cd7579a727d1b390bf9cbf111c1b20e811370bc0"
+WAFREVISION="c016a5761ed37ababf6ded5dddff0f0a0c1c8da0"
 """Git revision when the waf version is updated"""
 
 ABI = 99
diff --git a/wscript b/wscript
index a77c6fe9..cdb24d66 100644
--- a/wscript
+++ b/wscript
@@ -1,6 +1,6 @@
 #! /usr/bin/env python
 # encoding: utf-8
-# Thomas Nagy, 2005-2015
+# Thomas Nagy, 2005-2016
 
 """
 to make a custom waf file use the option --tools
@@ -10,7 +10,7 @@ To add a tool that does not exist in the folder compat15, pass an absolute path:
 """
 
 
-VERSION="1.8.17"
+VERSION="1.9.0"
 APPNAME='waf'
 REVISION=''