diff --git a/.hgtags b/.hgtags
index 42110711..e01b3e6f 100644
--- a/.hgtags
+++ b/.hgtags
@@ -92,3 +92,4 @@ fef6e5d66e2975132a0ca57ee663c0631c5580a8 RECOLL-1_05
 e294cf118a1d303b104d69276a6b135dd531fbc5 RECOLL_1_15_2
 5fc5a9f1024662b00cb14eaa46f6d946cbb152a4 RECOLL_1_15_3
 6411512e32046a5b36daa6aa6badc5d6fc6e5228 RECOLL_1_15_4
+e511881a1c39e1e396e81739194329decdb0a1bb RECOLL_1_15_5