diff --git a/build.xml b/build.xml
index 4883948d..95f20edf 100644
--- a/build.xml
+++ b/build.xml
@@ -1,6 +1,6 @@
 <project name="DavMail" default="dist" basedir=".">
     <property file="user.properties"/>
-    <property name="version" value="4.3.0"/>
+    <property name="version" value="4.3.1"/>
 
     <path id="classpath">
         <pathelement location="classes"/>
diff --git a/pom.xml b/pom.xml
index 42dd6b6e..e3b0b4e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <groupId>davmail</groupId>
     <artifactId>davmail</artifactId>
     <packaging>jar</packaging>
-    <version>4.3.0</version>
+    <version>4.3.1</version>
     <name>DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange Gateway</name>
     <organization>
         <name>Mickaël Guessant</name>
diff --git a/releasenotes.txt b/releasenotes.txt
index 582cd633..1ac12248 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,3 +1,22 @@
+** DavMail 4.3.1 released **
+Bugfix release to fix regressions with some IMAP clients and enhanced FetchMail support.
+
+OSX:
+- OSX: switch back to single archive and add a comment
+
+IMAP:
+- IMAP: fix double header content and optimize header fetch with Fetchmail
+- IMAP: fix regression in append envelope
+- IMAP: fix multithreaded folder load implementation to support more IMAP clients
+
+POP:
+- POP: fix 3613743, remove additional +OK during message RETR
+
+Linux:
+- dos2unix on davmail.spec
+- Update davsvn
+
+
 ** DavMail 4.3.0 released **
 New keep alive mechanism to avoid most IMAP and POP client timeouts: load large messages
 in a separate thread and send a character on client connection every ten seconds. Also
diff --git a/src/contribs/rpm/SPECS/davmail.spec b/src/contribs/rpm/SPECS/davmail.spec
index 1b37470f..3506d92b 100644
--- a/src/contribs/rpm/SPECS/davmail.spec
+++ b/src/contribs/rpm/SPECS/davmail.spec
@@ -2,8 +2,8 @@
 %{?!davmail_uid:   %define davmail_uid   213}
 %{?!davmail_gid:   %define davmail_gid   213}
 
-%{?!davrel:   %define davrel   4.3.0}
-%{?!davsvn:   %define davsvn   2125}
+%{?!davrel:   %define davrel   4.3.1}
+%{?!davsvn:   %define davsvn   2134}
 %define davver %{davrel}-%{davsvn}
 %ifarch i386 i586 i686
 %define davarch x86