diff --git a/sonar-project.properties b/sonar-project.properties
index 60af87fa7..482880b70 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -3,3 +3,4 @@ sonar.projectName=Apache Ant
 sonar.sources=src/main
 sonar.tests=src/tests/junit
 sonar.projectVersion=1.10.0-SNAPSHOT
+sonar.java.source=8