diff --git a/Projects/AthenaP1/version.txt b/Projects/AthenaP1/version.txt
index 84864ed40ce54e87c21e3df18da4f0f44cabda2d..7ddb47f241aab98a3ea5c6ad386be1783ead0b93 100644
--- a/Projects/AthenaP1/version.txt
+++ b/Projects/AthenaP1/version.txt
@@ -1 +1 @@
-21.1.20
+21.1.21