diff --git a/.hgtags b/.hgtags
index 8c2f6710a6..ff4e14fea4 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,4 @@
 e9dfc299f0412d0a1d6ab4fa779ce8e1879e0289 4.0.0
 643a8dff3fc66b95106bbe3ea58d3a8bf3f7d702 4.2.0
 932ea4b106c6b82582ae20a257940961bf64c636 4.4.0
+ab0740f8088064fca42753a6cfe2ea6bf7f06826 4.6.0