diff --git a/nbproject/project.properties b/nbproject/project.properties
index 02aef46..edca271 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -37,8 +37,8 @@ javac.classpath=\
 # Space-separated list of extra javac options
 javac.compilerargs=-Xlint:all,-serial
 javac.deprecation=true
-javac.source=1.5
-javac.target=1.5
+javac.source=1.8
+javac.target=1.8
 javac.test.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}:\
@@ -64,7 +64,7 @@ jnlp.signed=false
 main.class=pauker.program.gui.swing.PaukerFrame
 manifest.file=manifest.mf
 meta.inf.dir=${src.dir}/META-INF
-platform.active=JDK_1.5
+platform.active=JDK_1.8
 run.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}