diff --git a/debian/ant.properties b/debian/ant.properties
index 1551c89..6976ff6 100644
--- a/debian/ant.properties
+++ b/debian/ant.properties
@@ -12,6 +12,7 @@
 slf4j-nop.dir=slf4j-nop
 slf4j-simple.dir=slf4j-simple
 slf4j-migrator.dir=slf4j-migrator
+slf4j-ext.dir=slf4j-ext
 
 jcl-over-slf4j.jar=jcl-over-slf4j.jar
 jul-to-slf4j.jar=jul-to-slf4j.jar
@@ -23,3 +24,4 @@
 slf4j-nop.jar=slf4j-nop.jar
 slf4j-simple.jar=slf4j-simple.jar
 slf4j-migrator.jar=slf4j-migrator.jar
+slf4j-ext.jar=slf4j-ext.jar
diff --git a/debian/build.xml b/debian/build.xml
index 36bdbaa..e212832 100644
--- a/debian/build.xml
+++ b/debian/build.xml
@@ -13,6 +13,7 @@
     <delete dir="${slf4j-nop.dir}/${class.dir}" quiet="true"/>
     <delete dir="${slf4j-simple.dir}/${class.dir}" quiet="true"/>
     <delete dir="${slf4j-migrator.dir}/${class.dir}" quiet="true"/>
+    <delete dir="${slf4j-ext.dir}/${class.dir}" quiet="true"/>
 
     <delete file="${jcl-over-slf4j.jar}" quiet="true"/>
     <delete file="${jul-to-slf4j.jar}" quiet="true"/>
@@ -24,6 +25,7 @@
     <delete file="${slf4j-nop.jar}" quiet="true"/>
     <delete file="${slf4j-simple.jar}" quiet="true"/>
     <delete file="${slf4j-migrator.jar}" quiet="true"/>
+    <delete file="${slf4j-ext.jar}" quiet="true"/>
   </target>
 
   <target name="jar">
@@ -127,6 +129,16 @@
       </fileset>
     </jar>
 
+    <mkdir dir="${slf4j-ext.dir}/${class.dir}"/>
+    <javac srcdir="${slf4j-ext.dir}/${source.dir}" destdir="${slf4j-ext.dir}/${class.dir}"
+      debug="true" source="1.5" classpath="${slf4j-api.jar}:/usr/share/java/javassist.jar:/usr/share/java/commons-lang.jar"/>
+
+    <jar jarfile="${slf4j-ext.jar}">
+      <fileset dir="${slf4j-ext.dir}/${class.dir}">
+          <include name="**"/>
+      </fileset>
+    </jar>
+
   </target>
 
 </project>
diff --git a/debian/changelog b/debian/changelog
index 75e2185..d6da998 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+libslf4j-java (1.5.6-1) UNRELEASED; urgency=low
+
+  * New upstream release.
+   - new slf4j-ext module
+  * add Build-Depends on libjavassist-java and libcommons-lang-java
+
+ -- Damien Raude-Morvan <drazzib@drazzib.com>  Tue, 24 Feb 2009 12:58:07 +0100
+
 libslf4j-java (1.5.2-1) unstable; urgency=low
 
   * New upstream release
diff --git a/debian/control b/debian/control
index e0d54b3..39d6b68 100644
--- a/debian/control
+++ b/debian/control
@@ -2,10 +2,11 @@
 Section: libs
 Priority: optional
 Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
-Uploaders: Varun Hiremath <varun@debian.org>
+Uploaders: Varun Hiremath <varun@debian.org>, Damien Raude-Morvan <drazzib@drazzib.com>
 Build-Depends: cdbs, debhelper (>= 6)
 Build-Depends-Indep: ant, java-gcj-compat-dev, liblog4j1.2-java,
- libcommons-logging-java
+ libcommons-logging-java, libcommons-lang-java, libcommons-logging-java,
+ libjavassist-java
 Standards-Version: 3.8.0
 Homepage: http://www.slf4j.org/
 Vcs-Svn: svn://svn.debian.org/svn/pkg-java/trunk/libslf4j-java