diff --git a/core/org.eclipse.cdt.core.aix/.classpath b/core/org.eclipse.cdt.core.aix/.classpath
index b7464f3ca24..b277a8ac870 100644
--- a/core/org.eclipse.cdt.core.aix/.classpath
+++ b/core/org.eclipse.cdt.core.aix/.classpath
@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<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/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/core/org.eclipse.cdt.core.aix/META-INF/MANIFEST.MF b/core/org.eclipse.cdt.core.aix/META-INF/MANIFEST.MF
index 4c7ffed1295..4f5001ecb21 100644
--- a/core/org.eclipse.cdt.core.aix/META-INF/MANIFEST.MF
+++ b/core/org.eclipse.cdt.core.aix/META-INF/MANIFEST.MF
@@ -6,5 +6,5 @@ Bundle-Version: 5.4.0.qualifier
 Bundle-Vendor: %providerName
 Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Eclipse-PlatformFilter: (osgi.os=aix)
diff --git a/core/org.eclipse.cdt.core.linux/.classpath b/core/org.eclipse.cdt.core.linux/.classpath
index b7464f3ca24..b277a8ac870 100644
--- a/core/org.eclipse.cdt.core.linux/.classpath
+++ b/core/org.eclipse.cdt.core.linux/.classpath
@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<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/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/core/org.eclipse.cdt.core.macosx/.classpath b/core/org.eclipse.cdt.core.macosx/.classpath
index b7464f3ca24..b277a8ac870 100644
--- a/core/org.eclipse.cdt.core.macosx/.classpath
+++ b/core/org.eclipse.cdt.core.macosx/.classpath
@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<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/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/core/org.eclipse.cdt.core.macosx/META-INF/MANIFEST.MF b/core/org.eclipse.cdt.core.macosx/META-INF/MANIFEST.MF
index 8eae3f91ce4..b731862e0de 100644
--- a/core/org.eclipse.cdt.core.macosx/META-INF/MANIFEST.MF
+++ b/core/org.eclipse.cdt.core.macosx/META-INF/MANIFEST.MF
@@ -6,5 +6,5 @@ Bundle-Version: 5.3.0.qualifier
 Bundle-Vendor: %providerName
 Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Eclipse-PlatformFilter: (osgi.os=macosx)
diff --git a/core/org.eclipse.cdt.core.qnx/.classpath b/core/org.eclipse.cdt.core.qnx/.classpath
index b7464f3ca24..b277a8ac870 100644
--- a/core/org.eclipse.cdt.core.qnx/.classpath
+++ b/core/org.eclipse.cdt.core.qnx/.classpath
@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<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/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/core/org.eclipse.cdt.core.qnx/META-INF/MANIFEST.MF b/core/org.eclipse.cdt.core.qnx/META-INF/MANIFEST.MF
index 095b95aa734..d7f361d55a0 100644
--- a/core/org.eclipse.cdt.core.qnx/META-INF/MANIFEST.MF
+++ b/core/org.eclipse.cdt.core.qnx/META-INF/MANIFEST.MF
@@ -7,4 +7,4 @@ Bundle-ClassPath: cdt_qnx.jar
 Bundle-Vendor: %providerName
 Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
diff --git a/core/org.eclipse.cdt.core.solaris/.classpath b/core/org.eclipse.cdt.core.solaris/.classpath
index b7464f3ca24..b277a8ac870 100644
--- a/core/org.eclipse.cdt.core.solaris/.classpath
+++ b/core/org.eclipse.cdt.core.solaris/.classpath
@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<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/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/core/org.eclipse.cdt.core.solaris/META-INF/MANIFEST.MF b/core/org.eclipse.cdt.core.solaris/META-INF/MANIFEST.MF
index d9c3782d7c4..32561721cce 100644
--- a/core/org.eclipse.cdt.core.solaris/META-INF/MANIFEST.MF
+++ b/core/org.eclipse.cdt.core.solaris/META-INF/MANIFEST.MF
@@ -6,5 +6,5 @@ Bundle-Version: 5.3.0.qualifier
 Bundle-Vendor: %providerName
 Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Eclipse-PlatformFilter: (&(osgi.os=solaris)(osgi.arch=sparc))
diff --git a/core/org.eclipse.cdt.core.win32/.classpath b/core/org.eclipse.cdt.core.win32/.classpath
index b7464f3ca24..b277a8ac870 100644
--- a/core/org.eclipse.cdt.core.win32/.classpath
+++ b/core/org.eclipse.cdt.core.win32/.classpath
@@ -2,6 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<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/J2SE-1.4"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/core/org.eclipse.cdt.core.win32/META-INF/MANIFEST.MF b/core/org.eclipse.cdt.core.win32/META-INF/MANIFEST.MF
index 9e7e9f4c028..361c7939742 100644
--- a/core/org.eclipse.cdt.core.win32/META-INF/MANIFEST.MF
+++ b/core/org.eclipse.cdt.core.win32/META-INF/MANIFEST.MF
@@ -6,5 +6,5 @@ Bundle-Version: 5.4.0.qualifier
 Bundle-Vendor: %providerName
 Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-RequiredExecutionEnvironment: JavaSE-1.7
 Eclipse-PlatformFilter: (osgi.os=win32)