Specified Java 8 as minimum execution environment
diff --git a/plugins/org.eclipse.app4mc.amalthea.workflow.base/META-INF/MANIFEST.MF b/plugins/org.eclipse.app4mc.amalthea.workflow.base/META-INF/MANIFEST.MF
index 8cb910f..ea9147b 100644
--- a/plugins/org.eclipse.app4mc.amalthea.workflow.base/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.app4mc.amalthea.workflow.base/META-INF/MANIFEST.MF
@@ -4,7 +4,7 @@
 Bundle-SymbolicName: org.eclipse.app4mc.amalthea.workflow.base;singleton:=true
 Bundle-Version: 0.8.0.qualifier
 Bundle-Vendor: Eclipse.org
-Bundle-RequiredExecutionEnvironment: JavaSE-1.7
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-ActivationPolicy: lazy
 Require-Bundle: org.apache.log4j,
  org.eclipse.emf.ecore,