diff --git a/NPSimulation/.gitignore b/NPSimulation/.gitignore
index dee1192bd9bfb0933604718da44b2fc95582640c..78d8303c7117999ada239eb10f038b68642a1fbf 100644
--- a/NPSimulation/.gitignore
+++ b/NPSimulation/.gitignore
@@ -1 +1,2 @@
 *.mac
+NPSimulationVersion.hh