diff --git a/build.xml b/build.xml
index 2c5334b..22070c4 100644
--- a/build.xml
+++ b/build.xml
@@ -162,7 +162,8 @@
            destdir="${build.home}/classes"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           optimize="${compile.optimize}">
+           optimize="${compile.optimize}"
+           target="1.4">
       <classpath refid="compile.classpath"/>
       <exclude name="org/apache/commons/logging/impl/Jdk14Logger.java"
                unless="jdk.1.4.present"/>
@@ -197,7 +198,8 @@
            destdir="${build.home}/tests"
              debug="${compile.debug}"
        deprecation="${compile.deprecation}"
-          optimize="${compile.optimize}">
+          optimize="${compile.optimize}"
+           target="1.4">
       <classpath refid="test.classpath"/>
     </javac>
     <copy    todir="${build.home}/tests" filtering="on">
@@ -230,7 +232,8 @@
                 version="true"
                doctitle="&lt;h1&gt;${component.title} (Version ${component.version})&lt;/h1&gt;"
             windowtitle="${component.title} (Version ${component.version})"
-                 bottom="Copyright (c) 2002 - Apache Software Foundation">
+                 bottom="Copyright (c) 2002 - Apache Software Foundation"
+               source="1.4">
       <classpath refid="test.classpath"/>
     </javadoc>
   </target>