diff --git a/.hgtags b/.hgtags
index 368cdd1835..9ecb0ecac5 100644
--- a/.hgtags
+++ b/.hgtags
@@ -18,3 +18,4 @@ c50491c745dac44e25636f89a6b75801dbfab983 4.6.0
 744abcf6ab86f8776ec15a142dd03e0bbe2ade14 5.0.0
 7985108dac1c9efcaabe9a4945139a9bfa4c160d 5.2.0
 360ffa8db8c4f2c99df49e834e1ed7c2b1b246a6 5.4.0
+2d9c879f22642ae8a5109803bc73a16e9ed03330 5.6.0