diff --git a/src/main/resources/com/neuronrobotics/nrjavaserial/build.properties b/src/main/resources/com/neuronrobotics/nrjavaserial/build.properties
index 4cf03727..0a0ce189 100644
--- a/src/main/resources/com/neuronrobotics/nrjavaserial/build.properties
+++ b/src/main/resources/com/neuronrobotics/nrjavaserial/build.properties
@@ -1,2 +1,2 @@
 app.name = nrjavaserial
-app.version = 5.2.1
+app.version = 5.2.1+dbsystel1