diff --git a/plugins/org.eclipse.dltk.python.launching/.classpath b/plugins/org.eclipse.dltk.python.launching/.classpath
index ce73933..64c5e31 100644
--- a/plugins/org.eclipse.dltk.python.launching/.classpath
+++ b/plugins/org.eclipse.dltk.python.launching/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src"/>
-	<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.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF
index ca4e3d0..1915fb8 100644
--- a/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.python.launching/META-INF/MANIFEST.MF
@@ -18,4 +18,4 @@
  org.eclipse.dltk.debug
 Eclipse-LazyStart: true
 Export-Package: org.eclipse.dltk.python.launching
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: J2SE-1.5