diff --git a/.hgtags b/.hgtags
index 5029c5d726..74e3d2942d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 14873b27f47664b486aa92a3318081ee86d5cca7 4.2.0
 cd53d5490f327e9e13479e7d1540b47c111f4a23 4.4.0
+ca475eeb8c9c520c70346d799d444bb7225bd55b 4.6.0