diff --git a/nbproject/project.properties b/nbproject/project.properties
index 7d7a61f..370d992 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -150,6 +150,8 @@ javac.processorpath=\
     ${javac.classpath}
 javac.source=1.7
 javac.target=1.7
+javac.source=17
+javac.target=17
 javac.test.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}