--- nbproject/project.properties

+++ nbproject/project.properties

@@ -27,8 +27,8 @@

 # Space-separated list of extra javac options

 javac.compilerargs=

 javac.deprecation=false

-javac.source=1.5

-javac.target=1.5

+javac.source=1.8

+javac.target=1.8

 javac.test.classpath=\

     ${javac.classpath}:\

     ${build.classes.dir}:\