diff --git a/build.xml b/build.xml
index be52d2c..24e06f9 100644
--- a/build.xml
+++ b/build.xml
@@ -28,7 +28,7 @@
   <target name="compile" description="o Compile the code" depends="get-deps">
     <mkdir dir="${classesdir}">
     </mkdir>
-    <javac destdir="${classesdir}" deprecation="true" debug="true" optimize="false" excludes="**/package.html">
+    <javac destdir="${classesdir}" deprecation="true" debug="true" optimize="false" excludes="**/package.html" target="1.4">
       <src>
         <pathelement location="src/java">
         </pathelement>
@@ -131,7 +131,7 @@
   <target name="compile-tests" depends="compile">
     <mkdir dir="${testclassesdir}">
     </mkdir>
-    <javac destdir="${testclassesdir}" deprecation="true" debug="true" optimize="false" excludes="**/package.html">
+    <javac destdir="${testclassesdir}" deprecation="true" debug="true" optimize="false" excludes="**/package.html" target="1.4">
       <src>
         <pathelement location="src/test">
         </pathelement>
@@ -186,4 +186,4 @@
     <unjar dest="${maven.home}" src="${user.home}/maven-install-latest.jar">
     </unjar>
   </target>
-</project>
\ No newline at end of file
+</project>