diff --git a/ChangeLog b/ChangeLog
index ac0f5d5e9c3..763e3369203 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,8 @@
 English Dolibarr ChangeLog
 --------------------------------------------------------------
 ***** ChangeLog for 3.4.2 compared to 3.4.1 *****
-Fix: Bad rounding on margin calculations and display
+Fix: Bad rounding on margin calculations and display.
+Fix: Option drpo table into backup was broken.
 
 ***** ChangeLog for 3.4.1 compared to 3.4.0 *****
 Fix: Display buying price on line edit when no supplier price is defined
diff --git a/build/debian/changelog b/build/debian/changelog
index 11706ff7ff3..f8cca0e8e41 100644
--- a/build/debian/changelog
+++ b/build/debian/changelog
@@ -1,4 +1,4 @@
-dolibarr (3.4.1) unstable; urgency=low
+dolibarr (3.4.2) unstable; urgency=low
 
   [ Laurent Destailleur (eldy) ]
   * New upstream release.
diff --git a/build/exe/doliwamp/doliwamp.iss b/build/exe/doliwamp/doliwamp.iss
index 0f3391a9110..98bfeee9109 100644
--- a/build/exe/doliwamp/doliwamp.iss
+++ b/build/exe/doliwamp/doliwamp.iss
@@ -17,9 +17,9 @@
 ; ----- Change this -----
 AppName=DoliWamp
 ; DoliWamp-x.x.x or DoliWamp-x.x.x-alpha or DoliWamp-x.x.x-beta or DoliWamp-x.x.x-rc or DoliWamp-x.x.x
-AppVerName=DoliWamp-3.4.1
+AppVerName=DoliWamp-3.4.2
 ; DoliWamp-x.x x or DoliWamp-x.x.x-alpha or DoliWamp-x.x.x-beta or DoliWamp-x.x.x-rc or DoliWamp-x.x.x
-OutputBaseFilename=DoliWamp-3.4.1
+OutputBaseFilename=DoliWamp-3.4.2
 ; Define full path from wich all relative path are defined
 ; You must modify this to put here your dolibarr root directory
 ;SourceDir=Z:\home\ldestailleur\git\dolibarrxxx
diff --git a/build/makepack-dolibarr.pl b/build/makepack-dolibarr.pl
index 2da866d221a..05eef72a978 100755
--- a/build/makepack-dolibarr.pl
+++ b/build/makepack-dolibarr.pl
@@ -10,7 +10,7 @@ use Cwd;
 $PROJECT="dolibarr";
 $MAJOR="3";
 $MINOR="4";
-$BUILD="1";		# Mettre x pour release, x-dev pour dev, x-beta pour beta, x-rc pour release candidate
+$BUILD="2";		# Mettre x pour release, x-dev pour dev, x-beta pour beta, x-rc pour release candidate
 $RPMSUBVERSION="auto";	# auto use value found into BUILD
 
 @LISTETARGET=("TGZ","ZIP","RPM_GENERIC","RPM_FEDORA","RPM_MANDRIVA","RPM_OPENSUSE","DEB","APS","EXEDOLIWAMP","SNAPSHOT");   # Possible packages
diff --git a/build/rpm/dolibarr_fedora.spec b/build/rpm/dolibarr_fedora.spec
index 60756c8beb6..eb7c7305b11 100755
--- a/build/rpm/dolibarr_fedora.spec
+++ b/build/rpm/dolibarr_fedora.spec
@@ -330,5 +330,5 @@ fi
 
 # version x.y.z-0.1.a for alpha, x.y.z-0.2.b for beta, x.y.z-0.3 for release
 %changelog
-* Sun Feb 17 2013 Laurent Destailleur 3.4.1-0.3
+* Sun Feb 17 2013 Laurent Destailleur 3.4.2-0.3
 - Initial version (#723326)
diff --git a/build/rpm/dolibarr_generic.spec b/build/rpm/dolibarr_generic.spec
index c5feb63aba4..4bc22491755 100755
--- a/build/rpm/dolibarr_generic.spec
+++ b/build/rpm/dolibarr_generic.spec
@@ -558,5 +558,5 @@ fi
 
 # version x.y.z-0.1.a for alpha, x.y.z-0.2.b for beta, x.y.z-0.3 for release
 %changelog
-* Sun Feb 17 2013 Laurent Destailleur 3.4.1-0.3
+* Sun Feb 17 2013 Laurent Destailleur 3.4.2-0.3
 - Initial version (#723326)
diff --git a/build/rpm/dolibarr_mandriva.spec b/build/rpm/dolibarr_mandriva.spec
index 6a9e1dd47d7..98ef5fa1b44 100755
--- a/build/rpm/dolibarr_mandriva.spec
+++ b/build/rpm/dolibarr_mandriva.spec
@@ -335,5 +335,5 @@ fi
 
 # version x.y.z-0.1.a for alpha, x.y.z-0.2.b for beta, x.y.z-0.3 for release
 %changelog
-* Sun Feb 17 2013 Laurent Destailleur 3.4.1-0.3
+* Sun Feb 17 2013 Laurent Destailleur 3.4.2-0.3
 - Initial version (#723326)
diff --git a/build/rpm/dolibarr_opensuse.spec b/build/rpm/dolibarr_opensuse.spec
index 3b41058c416..1734ad6a4e3 100755
--- a/build/rpm/dolibarr_opensuse.spec
+++ b/build/rpm/dolibarr_opensuse.spec
@@ -345,5 +345,5 @@ fi
 
 # version x.y.z-0.1.a for alpha, x.y.z-0.2.b for beta, x.y.z-0.3 for release
 %changelog
-* Sun Feb 17 2013 Laurent Destailleur 3.4.1-0.3
+* Sun Feb 17 2013 Laurent Destailleur 3.4.2-0.3
 - Initial version (#723326)
diff --git a/htdocs/filefunc.inc.php b/htdocs/filefunc.inc.php
index 3be6cadc9ce..65895a28035 100644
--- a/htdocs/filefunc.inc.php
+++ b/htdocs/filefunc.inc.php
@@ -29,7 +29,7 @@
  *  \brief      File that include conf.php file and commons lib like functions.lib.php
  */
 
-if (! defined('DOL_VERSION')) define('DOL_VERSION','3.4.1');
+if (! defined('DOL_VERSION')) define('DOL_VERSION','3.4.2');
 if (! defined('EURO')) define('EURO',chr(128));
 
 // Define syslog constants