diff --git a/.hgtags b/.hgtags
index 56c20694da..99ef40ab25 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 31281d580580b74a4605a8382f33dbf9906cb747 6.2.0
 e116e051465f2282acd1dcbe22b0eb8a47d41984 6.4.0
+48fea0a1d2fb343cfbcf04de2929ce36b9065c2a 6.6.0