diff --git a/sonar-project.properties b/sonar-project.properties
index 923aea25..0f61642c 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -9,6 +9,6 @@ sonar.python.coverage.reportPaths=coverage.xml
 
 sonar.tests=tests/unit,tests/integration
 sonar.python.version=3.12
-sonar.newCode.referenceBranch=main
+sonar.newCode.referenceBranch=stable-6
 
 sonar.exclusions=tests/**,.tox/**