setting the EE
diff --git a/ant/org.eclipse.ant.core/.classpath b/ant/org.eclipse.ant.core/.classpath
index 009d54c..dc92c62 100644
--- a/ant/org.eclipse.ant.core/.classpath
+++ b/ant/org.eclipse.ant.core/.classpath
@@ -2,7 +2,7 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry output="src_ant_bin" kind="src" path="src_ant/"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.4"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
index 04fa4bd..764606c 100644
--- a/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.core/META-INF/MANIFEST.MF
@@ -12,3 +12,4 @@
 Require-Bundle: org.eclipse.core.variables;bundle-version="[3.1.0,4.0.0)",
  org.eclipse.core.runtime;bundle-version="[3.2.0,4.0.0)"
 Eclipse-LazyStart: true; exceptions="org.eclipse.ant.internal.core.contentDescriber"
+Bundle-RequiredExecutionEnvironment: J2SE-1.4
diff --git a/ant/org.eclipse.ant.ui/.classpath b/ant/org.eclipse.ant.ui/.classpath
index ff15595..959e739 100644
--- a/ant/org.eclipse.ant.ui/.classpath
+++ b/ant/org.eclipse.ant.ui/.classpath
@@ -4,8 +4,8 @@
 	<classpathentry output="ant_runner_support_bin" kind="src" path="Ant Runner Support"/>
 	<classpathentry kind="src" path="Ant Editor"/>
 	<classpathentry output="remote_support_bin" kind="src" path="Remote Ant Support"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry output="common_ant_support_bin" kind="src" path="Common Ant Support"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF b/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
index 48e9348..2cad314 100644
--- a/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
+++ b/ant/org.eclipse.ant.ui/META-INF/MANIFEST.MF
@@ -54,3 +54,4 @@
  org.eclipse.core.expressions;bundle-version="[3.2.0,4.0.0)"
 Eclipse-LazyStart: true
 Import-Package: com.ibm.icu.text
+Bundle-RequiredExecutionEnvironment: J2SE-1.4