diff --git a/Projects/AthSimulation/version.txt b/Projects/AthSimulation/version.txt
index e68b6d75fd402113989fcb8164178afb4eb44cf8..0d81b14b1896c114315b96d11902f33e0a9788a3 100644
--- a/Projects/AthSimulation/version.txt
+++ b/Projects/AthSimulation/version.txt
@@ -1 +1 @@
-21.0.72
+21.0.73