diff --git a/.hgtags b/.hgtags
index 189e251106..838b13bf08 100644
--- a/.hgtags
+++ b/.hgtags
@@ -6,3 +6,4 @@ e6c0e9c2577ec00e38473bbeda8eea992091ae0d 5.0.0
 d91447e57cf99675138bad4cb0fad38f66808aa5 6.0.0
 23818368b2925d302bdcee02fdad187902b65d6f 6.2.0
 32cb80c04725cae1b1bc72dd918aad88833f7bdb 6.4.0
+2f613904c41fc2a15cc409a0f10220d0b99ea0e3 6.6.0