Require java 8
diff --git a/pom.xml b/pom.xml
index 305fb1c..d9a9148 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,7 @@
 
   <properties>
     <doxiaVersion>1.3</doxiaVersion>
-    <javaVersion>7</javaVersion>
+    <javaVersion>8</javaVersion>
     <mavenVersion>2.2.1</mavenVersion>
     <project.build.outputTimestamp>2020-04-07T21:04:00Z</project.build.outputTimestamp>
   </properties>