diff --git a/Projects/AthenaP1/version.txt b/Projects/AthenaP1/version.txt
index d3b242418a882bc334aa921f45cbb70ed75b9b0d..cbfacad957d62cf007ac5612a328ac12f4ad4321 100644
--- a/Projects/AthenaP1/version.txt
+++ b/Projects/AthenaP1/version.txt
@@ -1 +1 @@
-21.1.54
\ No newline at end of file
+21.1.55
\ No newline at end of file