java 5
diff --git a/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF b/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF
index 9497608..4031b3e 100644
--- a/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF
+++ b/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF
@@ -37,6 +37,6 @@
  org.eclipse.dltk.internal.debug.ui.handlers,
  org.eclipse.dltk.internal.debug.ui.interpreters,
  org.eclipse.dltk.internal.debug.ui.launcher
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
 Bundle-ActivationPolicy: lazy
 Import-Package: com.ibm.icu.text