diff --git a/com.google.eclipse.protobuf/.classpath b/com.google.eclipse.protobuf/.classpath
index 406ca4a..ff72560 100644
--- a/com.google.eclipse.protobuf/.classpath
+++ b/com.google.eclipse.protobuf/.classpath
@@ -3,7 +3,7 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="src-gen"/>
 	<classpathentry kind="src" path="xtend-gen"/>
-	<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="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/com.google.eclipse.protobuf/.settings/org.eclipse.jdt.core.prefs b/com.google.eclipse.protobuf/.settings/org.eclipse.jdt.core.prefs
index 002551b..1b95e28 100644
--- a/com.google.eclipse.protobuf/.settings/org.eclipse.jdt.core.prefs
+++ b/com.google.eclipse.protobuf/.settings/org.eclipse.jdt.core.prefs
@@ -1,9 +1,9 @@
-#Wed Apr 06 10:56:09 PDT 2011
+#Tue Oct 18 02:12:56 PDT 2011
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.compliance=1.6
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -78,4 +78,4 @@
 org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.5
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/com.google.eclipse.protobuf/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
index fe9e38b..323f04d 100644
--- a/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
+++ b/com.google.eclipse.protobuf/META-INF/MANIFEST.MF
@@ -19,7 +19,7 @@
  org.eclipse.core.runtime;bundle-version="3.7.0"
 Import-Package: org.apache.log4j,
  org.apache.commons.logging
-Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Export-Package: com.google.eclipse.protobuf,
  com.google.eclipse.protobuf.conversion,
  com.google.eclipse.protobuf.grammar,